user: You are a structured reasoning expert tasked with solving problems step by step. 
You first think about the reasoning process in the mind and then provide the answer. The reasoning process and answer should be enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answer here </answer>. 
Given a question and the associated knowledge graph triplets (entity, relation, entity), you are asked to answer the question with these triplets and your own knowledge. 
You can break down the original question into several sub-questions and explore the given knowledge graph to solve them step-by-step. If there are multiple possible answers, choose one as the final answer. 
After thinking, when you finally reach a conclusion, clearly state the answer within <answer> </answer> tags, i.e., <answer> answer here </answer>. 
Question: Which of the seven nations of Central America use the United States Dollar currency? 
Knowledge Triplets: North America, base.locations.continents.countries_within, Jamaica
Central America, travel.travel_destination.tour_operators, Bunnik Tours
United States Dollar, common.topic.webpage, m.04lsxjt
Three Gringos In Venezuela And Central America, book.written_work.subjects, Mexico
Central America, location.location.geolocation, m.0bg8fr1
m.05ggtfm, measurement_unit.dated_money_value.currency, United States Dollar
United States Dollar, common.topic.article, m.09nqr
Penny, business.currency_sub_unit.currency, United States Dollar
Currency, type.type.expected_by, Current
Central America, location.location.contains, Belize
Central America, organization.organization_scope.organizations_with_this_scope, Exclaimer
Currency, type.type.expected_by, Adjustment currency
United States of America, common.topic.notable_types, Country
Map of Central America, common.image.appears_in_topic_gallery, Central America
Inevitable revolutions, book.book.editions, Inevitable revolutions: the United States in Central America
Currency, type.type.expected_by, Blah1
Country, freebase.type_profile.published, Published
Germany, location.country.currency_used, Euro
United States Mint, government.government_agency.government, Federal government of the United States
North America, symbols.namesake.named_after, Amerigo Vespucci
United States Dollar, finance.currency.sub_units, Penny
m.09ywvh0, common.webpage.topic, Country
Kingdom of the Netherlands, location.country.currency_used, Aruban florin
Continental Currency, base.coinsdaily.coin_type.timespan_minted, m.067xn8p
Three Gringos In Venezuela And Central America, book.written_work.subjects, World
ISO Numeric, rdf-schema#domain, Country
Salvador, book.written_work.subjects, Central America
Currency, type.type.properties, Prefix Symbol
Richard Harding Davis, book.author.works_written, Three Gringos In Venezuela And Central America
United Nations, organization.organization.geographic_scope, World
United States Dollar, finance.currency.target_of_exchange, m.03x8_16
Currency, type.property.schema, Dated Money Value
United States Dollar, finance.currency.countries_used, Puerto Rico
United States Dollar, common.topic.webpage, m.04lsxjz
Jamaica, freebase.valuenotation.is_reviewed, Currency Used
Central America, book.book_subject.works, Someday Soon/Sooner or Later
Sealand  Dollar, finance.currency.source_of_exchange, m.04kq24y
Central America, common.topic.notable_types, Region
United States of America, base.locations.countries.planet, Earth
Central America, location.location.contains, Guatemala
Indigenous peoples of the Americas, people.ethnicity.geographic_distribution, Central America
Guam, location.country.currency_used, United States Dollar
Historical Atlas of Central America, book.book.editions, Historical Atlas of Central America
Euro, finance.currency.countries_used, Italy
m.011vj8p3, location.mailing_address.country, United States of America
Currency, type.type.expected_by, Purchase currency
Spain in the American Revolutionary War, time.event.locations, Central America
Historical Atlas of Central America, common.topic.article, m.0651wy9
m.063w991, measurement_unit.dated_money_value.currency, United States Dollar
Central America, location.location.contains, Honduras
Central America, common.topic.image, Map of Central America
Italy, freebase.valuenotation.is_reviewed, Currency Used
United Nations, organization.organization.founders, Venezuela
October 2008 Central America floods, common.topic.notable_types, Tropical Cyclone
Countries Formerly Used, type.property.reverse_property, Currency Formerly Used
m.05mq9fy, measurement_unit.dated_money_value.currency, United States Dollar
United States of America, base.aareas.schema.administrative_area.subdivides_place, United States, with Territories
Countries Used, owl#inverseOf, Currency Used
Sixteen in the Caribbean Sea as an Invest., common.image.appears_in_topic_gallery, October 2008 Central America floods
Currency, type.type.domain, Business
United States of America, location.country.first_level_divisions, Louisiana
United States Dollar, finance.currency.countries_used, Ecuador
United States of America, base.locations.countries.states_provinces_within, North Carolina
m.04lsxk3, common.webpage.topic, United States Dollar
United States Dollar, finance.currency.countries_formerly_used, Cuba
North America, freebase.valuenotation.is_reviewed, Time zone(s)
Currency, type.type.properties, Sub Units
United States Mint, government.governmental_body.members, m.0wjy6_l
Federal government of the United States, government.government.government_for, United States of America
United Nations, organization.organization.founders, Australia
United States Mint, base.schemastaging.context_name.pronunciation, m.013161s6
m.09wy877, common.webpage.topic, Country
Central America, book.book_subject.works, The Jaguar Smile
Countries Formerly Used, rdf-schema#domain, Currency
Three Gringos In Venezuela And Central America, book.written_work.author, Richard Harding Davis
Central America, book.book_subject.works, From slavery to freedom
Country, type.type.properties, Currency Used
United States Dollar, finance.currency.countries_used, Kingdom of the Netherlands
Still love in strange places, book.written_work.subjects, Central America
United States Dollar, base.coinsdaily.coin_type.denomination, various
Palau, location.country.currency_used, United States Dollar
Three Gringos In Venezuela And Central America, book.book.editions, The medical literature of Mexico and Central America
October 2008 Central America floods, common.topic.article, m.04q3jdj
Guerrillas of Peace, book.written_work.subjects, Central America
Currency, freebase.type_profile.equivalent_topic, Currency
United States Dollar, finance.currency.countries_used, Bonaire
Cuba, base.locations.countries.continent, North America
United States of America, freebase.valuenotation.is_reviewed, Currency Used
United States Dollar, location.country.currency_used, El Salvador
United States of America, location.country.administrative_divisions, Florida
Euro, finance.currency.countries_used, Caribbean special municipalities of the Netherlands
Netherlands Antilles, location.country.currency_used, Netherlands Antillean guilder
United States of America, location.country.administrative_divisions, American Samoa
United States of America, location.country.administrative_divisions, Hawaii
Euro, finance.currency.countries_used, Kingdom of the Netherlands
Central America, book.book_subject.works, Trollope the traveller
United Nations, organization.organization.founders, Mexico
Cuba, location.country.currency_formerly_used, United States Dollar
United States of America, freebase.valuenotation.has_no_value, Date dissolved
Country, common.topic.webpage, m.09ywzbk
United States Dollar, common.topic.notable_for, g.1258t_b37
Earth, base.locations.planets.countries_within, United States of America
Kingdom of the Netherlands, location.country.currency_used, Euro
Central America, location.location.containedby, El Salvador
North America, base.locations.continents.countries_within, El Salvador
United States of America, base.biblioness.bibs_topic.is_really, United States of America
Central America, location.location.contains, Condominios Panorama Life Torre I
Mexico, freebase.valuenotation.is_reviewed, Currency Used
Central America, common.topic.notable_for, g.1258wssrw
Exclaimer, organization.organization.geographic_scope, Central America
United States Dollar, finance.currency.countries_used, Palau
United States of America, location.country.form_of_government, Constitutional republic
United Nations, organization.organization.founders, Argentina
Countries Used, type.property.reverse_property, Currency Used
Central America, book.book_subject.works, Blood of Brothers
Currency, type.type.properties, Countries Used
Currency Used, rdf-schema#domain, Country
United States of America, location.location.partially_containedby, North America
Countries Formerly Used, type.property.expected_type, Country
Three Gringos In Venezuela And Central America, common.topic.image, Three Gringos In Venezuela And Central America
Guatemala, location.location.containedby, Central America
North America, base.locations.continents.countries_within, Nicaragua
Currency Formerly Used, rdf-schema#domain, Country
United Nations, organization.organization.founders, Haiti
Mexico, organization.organization_founder.organizations_founded, United Nations
Central America, meteorology.cyclone_affected_area.cyclones, October 2008 Central America floods
m.04kq24y, finance.exchange_rate.target_of_exchange, United States Dollar
Currency, type.type.properties, Currency Code
Three Gringos In Venezuela And Central America, book.written_work.subjects, Central America
Currency, freebase.type_profile.published, Published
United States of America, base.locations.countries.states_provinces_within, South Carolina
Argentina, freebase.valuenotation.is_reviewed, Currency Used
Central America, book.book_subject.works, 2012
m.04t9jy5, measurement_unit.dated_money_value.currency, United States Dollar
m.05ggtg1, measurement_unit.dated_money_value.currency, United States Dollar
Central America, book.book_subject.works, The Mayan prophecies
United States Dollar, finance.currency.countries_used, British Virgin Islands
United States Mint, government.governmental_body.members, m.0p1z006
United Nations, organization.organization.founders, Ecuador
North America, base.locations.continents.countries_within, Mexico
North America, base.locations.continents.countries_within, Cuba
United States of America, base.biblioness.bibs_topic.subsumes, United States of America
Central America, base.nobelprizes.nobel_subject_area.nobel_awards, m.064_jxj
USDnotes.png, common.image.appears_in_topic_gallery, United States Dollar
Currency, type.type.expected_by, location_currency_used
Sealand  Dollar, common.topic.notable_types, Currency
Central America, book.book_subject.works, Scandals in the house of birds
Curaçao, location.country.currency_used, Netherlands Antillean guilder
United States Dollar, finance.currency.countries_used, United States Virgin Islands
United Nations, organization.organization.founders, New Zealand
United Nations, organization.organization.founders, United States of America
United States of America, location.country.administrative_divisions, Northern Mariana Islands
October 2008 Central America floods, common.topic.image, Tropical Depression Sixteen shortly after formation on October 14, 2008.
North America, base.locations.continents.countries_within, Bahamas
United States Dollar, finance.currency.countries_used, Netherlands
Central America, location.location.events, Spain in the American Revolutionary War
Historical Atlas of Central America, book.written_work.subjects, Atlas
Eyal Lalo, people.person.place_of_birth, Central America
Northern Mariana Islands, location.country.currency_used, United States Dollar
United States Dollar, finance.currency.countries_used, United States of America
United States Dollar, base.coinsdaily.coin_type.precursor_coin_type, Continental Currency
Countries Formerly Used, owl#inverseOf, Currency Formerly Used
United States of America, location.location.containedby, Americas
Central America, location.location.contains, Panama
Currency, type.type.expected_by, Currency used
Turks and Caicos Islands, location.country.currency_used, United States Dollar
Kingdom of the Netherlands, location.country.currency_formerly_used, Guilder
m.09wjcgc, common.webpage.topic, Country
m.05ggtf5, measurement_unit.dated_money_value.currency, United States Dollar
United Nations, organization.organization.founders, Cuba
Penny, base.coinsdaily.coin_type.parent_coin_type, United States Dollar
United States Dollar, finance.currency.countries_used, Turks and Caicos Islands
Peru, freebase.valuenotation.is_reviewed, Currency Used
Central America, book.book_subject.works, The captain and the enemy
Euro, finance.currency.countries_used, Netherlands
South America, common.topic.notable_types, Continent
United Nations, organization.organization.founders, Netherlands
United States Dollar, base.coinsdaily.coin_type.issuer, United States Mint
Countries Used, type.property.schema, Currency
Currency, freebase.type_profile.strict_included_types, Topic
United States Dollar, finance.currency.countries_used, Panama
Currency Used, type.property.master_property, Countries Used
Bonaire, location.country.currency_used, United States Dollar
United States Dollar, base.coinsdaily.coin_type.country, United States of America
m.04lsxjz, common.webpage.topic, United States Dollar
m.04lsxjt, common.webpage.topic, United States Dollar
El Salvador, base.locations.countries.continent, North America
North America, common.topic.notable_types, Continent
Country, common.topic.webpage, m.09wjcgc
Countries Formerly Used, type.property.schema, Currency
United States of America, base.locations.countries.states_provinces_within, Texas
United States Dollar, finance.currency.countries_used, Timor-Leste
United States Mint, common.topic.notable_types, Governmental Body
Israel, freebase.valuenotation.is_reviewed, Currency Used
Historical Atlas of Central America, common.topic.notable_types, Book
Netherlands, location.country.currency_used, Euro
m.04t9l2t, measurement_unit.dated_money_value.currency, United States Dollar
Central America, common.topic.subject_of, Tribal Gathering 2014
m.09xw3pl, common.webpage.topic, Central America
Brazil, organization.organization_founder.organizations_founded, United Nations
Countries Used, rdf-schema#range, Country
United States Dollar, common.topic.image, $1 to $100 notes
United States Dollar, common.topic.notable_types, Currency
United Nations, organization.organization.founders, Nicaragua
Walk Around the West Indies, book.written_work.subjects, Central America
Canada, base.locations.countries.continent, North America
United States of America, location.country.administrative_divisions, Louisiana
Currency Formerly Used, type.property.expected_type, Currency
United Nations, organization.organization.founders, Colombia
Central America, book.book_subject.works, Salvador
Q. Allan Brocka, people.person.nationality, United States of America
m.09x0tdb, common.webpage.topic, United States Dollar
m.064v5t3, measurement_unit.money_value.currency, United States Dollar
United States Mint, common.topic.article, m.01_63t
Currency, rdf-schema#range, Currency
The Jaguar Smile, book.written_work.subjects, Central America
United Nations, organization.organization.founders, Honduras
United Nations, organization.organization.founders, Panama
Presidential system, government.form_of_government.countries, United States of America
Panama, location.location.containedby, Central America
Currency, common.topic.article, m.0d9s59w
m.05nc32y, measurement_unit.dated_money_value.currency, United States Dollar
United States of America, location.country.form_of_government, Presidential system
Countries Used, type.property.expected_type, Country
Zimbabwe, location.country.currency_used, Euro
Sint Maarten, location.country.currency_used, Netherlands Antillean guilder
US State, freebase.type_profile.kind, Significant
United States of America, location.location.partially_containedby, Pacific Ocean
United States Mint, government.governmental_body.members, m.0wkc99r
m.05mq98t, measurement_unit.dated_money_value.currency, United States Dollar
United Nations, organization.organization.founders, Canada
North America, location.location.contains_major_portion_of, United States of America
Tribal Gathering, common.topic.subjects, Central America
Central America, book.book_subject.works, Historical Atlas of Central America
North America, base.locations.continents.countries_within, Canada
Currency Formerly Used, rdf-schema#range, Currency
Constitutional republic, government.form_of_government.countries, United States of America
United Nations, organization.organization.founders, Guatemala
Central America, book.book_subject.works, The mystery of the Maya
m.064_jxj, base.nobelprizes.nobel_honor.subject_area, Central America
The dog of the South, book.written_work.subjects, Central America
Map of Central America, common.image.size, m.02912jn
Historical Atlas of Central America, book.written_work.subjects, History of Central America
Kingdom of the Netherlands, location.country.currency_used, United States Dollar
Central America, book.book_subject.works, The dog of the South
$1 to $100 notes, common.image.appears_in_topic_gallery, United States Dollar
Central America, base.ontologies.ontology_instance.equivalent_instances, m.07ndtys
North America, location.location.containedby, Americas
Guatemala, base.locations.countries.continent, North America
Country, common.topic.article, m.03q0typ
The End Of Time, book.written_work.subjects, Central America
North America, base.locations.continents.countries_within, Panama
Central America, book.book_subject.works, Beyond the Mexique Bay
United States of America, location.country.currency_used, United States Dollar
North America, base.locations.continents.countries_within, Belize
Central America, book.book_subject.works, Still love in strange places
Belize, location.location.containedby, Central America
El Salvador, location.location.containedby, Central America
United States Dollar, common.topic.image, USDnotes.png
Greece, location.country.currency_used, Euro
Country, common.topic.article, m.01lfr
Mexico, base.locations.countries.continent, North America
Central America, location.location.contains, La Amistad International Park
United States Dollar, finance.currency.countries_used, American Samoa
North America, base.locations.continents.countries_within, Dominican Republic
Puerto Rico, location.country.currency_used, United States Dollar
United Nations, organization.organization.sectors, Human rights
Currency, type.type.properties, Target of exchange
Central America, book.book_subject.works, The Path between the Seas: The Creation of the Panama Canal, 1870-1914
Sese Ianu, people.person.nationality, United States of America
Three Gringos In Venezuela And Central America, book.book.editions, Three Gringos In Venezuela And Central America
Inevitable revolutions, book.written_work.subjects, Central America
The Hero Twins, book.written_work.subjects, Central America
Country, rdf-schema#range, Country
Central America, book.book_subject.works, Far Tortuga
United States Mint, common.topic.webpage, m.03lfvjf
United States Mint, common.topic.image, Seal of the U.S. Mint
Central America, book.book_subject.works, The Hero Twins
United States Dollar, finance.currency.countries_used, Federated States of Micronesia
United States of America, location.country.administrative_divisions, Texas
Penny, base.coinsdaily.coin_type.country, United States of America
United States Dollar, base.schemastaging.context_name.pronunciation, g.125_qn7g2
United States Dollar, base.business_report.reporting_unit.unit_name, m.0zdjr8h
Central America, location.location.contains, Costa Rica
Currency, type.type.expected_by, Payment system
m.05nc2z0, measurement_unit.dated_money_value.currency, United States Dollar
Contains, owl#inverseOf, Contained by
North America, location.location.partially_contains, United States of America
United States Dollar, finance.currency.countries_used, Caribbean special municipalities of the Netherlands
Central America, book.book_subject.works, Missionary stew
The island of lost luggage, book.written_work.subjects, Central America
North America, location.location.partially_contains, United States, with Territories
Currency, freebase.type_hints.included_types, Topic
October 2008 Central America floods, common.topic.image, Sixteen in the Caribbean Sea as an Invest.
North America, base.locations.continents.countries_within, Haiti
Central America, organization.organization_scope.organizations_with_this_scope, Five Blocks
Three Gringos In Venezuela And Central America, book.written_work.subjects, History of the Americas
Map of Central America, common.image.size, m.02bcs4v
Currency, type.type.expected_by, Target of exchange
United States of America, location.country.internet_tld, us
Central America, book.book_subject.works, Walk Around the West Indies
United Nations, organization.organization.founders, El Salvador
In Nicaragua, book.written_work.subjects, Central America
United States, with Territories, location.location.partially_containedby, North America
United States of America, location.country.administrative_divisions, Guam
Currency, type.type.expected_by, Earnings
The People of the Abyss, book.written_work.subjects, Central America
Central America, book.book_subject.works, Journey to the Sky
Central America, common.topic.webpage, m.09xw3pl
Euro, freebase.valuenotation.is_reviewed, Official website
Euro, finance.currency.countries_used, Greece
United States of America, freebase.valuenotation.is_reviewed, Time zone(s)
October 2008 Central America floods, meteorology.tropical_cyclone.affected_areas, Central America
Central America, book.book_subject.works, Sacred Mysteries Among The Mayas and The Quiches
Gran Colombia, location.location.containedby, Central America
Costa Rica, location.location.containedby, Central America
Currency Formerly Used, type.property.schema, Country
Tribal Gathering 2014, common.topic.subjects, Central America
United States of America, location.location.primarily_containedby, North America
Country, common.topic.notable_types, El Salvador
m.05mq97l, measurement_unit.dated_money_value.currency, United States Dollar
Currency Formerly Used, type.property.master_property, Countries Formerly Used
Central America, book.book_subject.works, Scooby-doo! in jungle jeopardy
Currency, type.type.expected_by, Measurement currency
Central America, book.book_subject.works, The island of lost luggage
Central America, book.book_subject.works, Red-eyed tree frog
United States of America, location.country.languages_spoken, Spanish Language
US State, freebase.type_profile.published, Published
United Nations, organization.organization.founders, Costa Rica
Five Blocks, organization.organization.geographic_scope, Central America
United States of America, base.locations.countries.states_provinces_within, Louisiana
Central America, book.book_subject.works, Inevitable revolutions
Federal government of the United States, government.government.agency, United States Mint
South America, freebase.valuenotation.is_reviewed, Time zone(s)
Currency, type.type.properties, Countries Formerly Used
Trollope the traveller, book.written_work.subjects, Central America
Countries Formerly Used, rdf-schema#range, Country
ISO Alpha 3, rdf-schema#domain, Country
North America, base.locations.continents.countries_within, Honduras
Historical Atlas of Central America, book.written_work.author, Hector Brignoli
Americas, location.location.contains, Central America
United Nations, organization.organization.founders, Chile
United States Dollar, finance.currency.countries_used, Marshall Islands
m.05ggtfd, measurement_unit.dated_money_value.currency, United States Dollar
Honduras, freebase.valuenotation.is_reviewed, Currency Used
Euro, finance.currency.countries_used, Zimbabwe
United States of America, location.location.time_zones, Central Time Zone
United States Virgin Islands, location.country.currency_used, United States Dollar
British Virgin Islands, location.country.currency_used, United States Dollar
El Salvador, location.country.currency_used, United States Dollar
Blood of Brothers, book.written_work.subjects, Central America
North America, base.locations.continents.countries_within, Guatemala
2012, book.written_work.subjects, Central America
North America, base.locations.continents.countries_within, Costa Rica
United States of America, location.country.first_level_divisions, North Carolina
Three Gringos In Venezuela And Central America, common.topic.notable_types, Book
Central America, location.location.contains, El Salvador
Three Gringos In Venezuela And Central America, common.topic.notable_for, g.1255g1wq7
Central America, location.location.containedby, Americas
Greece, freebase.valuenotation.is_reviewed, Currency Used
North America, base.locations.continents.countries_within, United States of America
Kingdom of the Netherlands, location.country.currency_used, Netherlands Antillean guilder
Central America, meteorology.cyclone_affected_area.cyclones, 1924 Cuba hurricane
United States Dollar, finance.currency.countries_used, Guam
Central America, common.topic.article, m.01tzt
John Sebastian Marlowe Ward, people.person.place_of_birth, Central America
2012, common.topic.notable_for, g.1256k4m74
United Nations, organization.organization.founders, Brazil
Caribbean special municipalities of the Netherlands, location.country.currency_used, Euro
Central America, book.book_subject.works, Three Gringos In Venezuela And Central America
Federated States of Micronesia, location.country.currency_used, United States Dollar
United States of America, base.locations.countries.states_provinces_within, Florida
Marshall Islands, location.country.currency_used, United States Dollar
Historical Atlas of Central America, book.written_work.subjects, Central America
Country, common.topic.notable_for, g.12551783b
Currency, type.type.expected_by, currency
2012, book.book.editions, 2012
Central America, meteorology.cyclone_affected_area.cyclones, Hurricane Ernesto
Continental Currency, base.coinsdaily.coin_type.precursor_coin_type, Colonial Currency
m.063w99b, measurement_unit.dated_money_value.currency, United States Dollar
Central America, book.book_subject.works, The massacre at El Mozote
Honduras, location.location.containedby, Central America
Central America, book.book_subject.works, The People of the Abyss
USDnotes.png, common.image.size, m.0745jtv
Amerigo Vespucci, symbols.name_source.namesakes, Central America
Peter Matthiessen, people.person.nationality, United States of America
Three Gringos In Venezuela And Central America, book.written_work.subjects, Medical literature
Currency, type.property.expected_type, Currency
Euro, common.topic.notable_types, Currency
United States Dollar, finance.currency.countries_used, Zimbabwe
United States of America, location.location.containedby, United States, with Territories
Currency, type.type.expected_by, From Currency
United States Dollar, location.country.currency_used, Panama
Central America, book.book_subject.works, I, Rigoberta Menchu
Currency, type.type.expected_by, To Currency
United States Dollar, finance.currency.countries_used, El Salvador
Continental Currency, common.topic.article, m.01hkw6
Currency, freebase.type_profile.kind, Definition
Currency, type.type.expected_by, Currency formerly used
United States of America, location.country.first_level_divisions, Florida
Honduras, base.locations.countries.continent, North America
Country, common.topic.webpage, m.09wy877
Currency Used, type.property.schema, Country
Currency Used, type.property.expected_type, Currency
United States of America, base.locations.countries.states_provinces_within, Hawaii
Central America, book.book_subject.works, The Art of Political Murder
October 2008 Central America floods, common.topic.notable_for, g.1255hgqwt
Central America, location.location.people_born_here, Eyal Lalo
Mark Danner, people.person.nationality, United States of America
United States of America, base.locations.countries.states_provinces_within, Georgia
United Nations, organization.organization.founders, Peru
US President, freebase.type_profile.published, Published
Currency, type.type.expected_by, Currency Formerly Used
m.04kq24y, finance.exchange_rate.source_of_exchange, Sealand  Dollar
Zimbabwe, location.country.currency_used, United States Dollar
Americas, location.location.contains, United States of America
United States of America, location.country.administrative_divisions, North Carolina
Three Gringos In Venezuela And Central America, book.written_work.subjects, Latin America
United States, with Territories, common.topic.notable_types, Country
Euro, finance.currency.countries_used, Germany
Doctor Frigo, book.written_work.subjects, Central America
United States of America, organization.organization_founder.organizations_founded, United Nations
Central America, book.book_subject.works, Mayeros
m.03x8_16, finance.exchange_rate.target_of_exchange, United States Dollar
Argentina, organization.organization_founder.organizations_founded, United Nations
United States Dollar, common.topic.webpage, m.04lsxk3
2012, book.written_work.subjects, Latin America
m.05nc2qn, measurement_unit.dated_money_value.currency, United States Dollar
Currency, type.type.expected_by, Currency Used
United States Dollar, common.topic.webpage, m.09x0tdb
Panama, location.country.currency_used, United States Dollar
m.03lfvjf, common.webpage.topic, United States Mint
Venezuela, book.book_subject.works, Three Gringos In Venezuela And Central America
Mayeros, book.written_work.subjects, Central America
United States, with Territories, location.country.first_level_divisions, United States of America
Journey to the Sky, book.written_work.subjects, Central America
Country, type.type.properties, Currency Formerly Used
Currency, type.type.properties, Source of exchange
Someday Soon/Sooner or Later, book.written_work.subjects, Central America
Far Tortuga, book.written_work.subjects, Central America
United States of America, base.locations.countries.continent, North America
Historical Atlas of Central America, common.topic.notable_for, g.125cphg6c
I, Rigoberta Menchu, book.written_work.subjects, Central America
United States Mint, business.brand.owner_s, m.0s8gs17
ISO Alpha 2, rdf-schema#domain, Country
Central America, book.book_subject.works, Guerrillas of Peace
United Nations, organization.organization.founders, Greece
Currency Used, rdf-schema#range, Currency
United Nations, organization.organization.founders, Dominican Republic
Three Gringos In Venezuela And Central America, book.written_work.subjects, Medicine
Three Gringos In Venezuela And Central America, book.written_work.subjects, Venezuela
Historical Atlas of Central America, book.written_work.author, Carolyn Hall
Currency, type.type.expected_by, Currencies
m.09ywzbk, common.webpage.topic, Country
Central America, book.book_subject.works, In Nicaragua
Central America, symbols.namesake.named_after, Amerigo Vespucci
United States Dollar, finance.currency.countries_used, Northern Mariana Islands
Historical Atlas of Central America, book.book.genre, Non-fiction
United States of America, freebase.valuenotation.is_reviewed, Official website
Central America, book.book_subject.works, The End Of Time
United States of America, location.country.first_level_divisions, Texas
Country, common.topic.webpage, m.09ywvh0
United States Dollar, finance.currency.target_of_exchange, m.04kq24y
Dominican Republic, freebase.valuenotation.is_reviewed, Currency Used
United States of America, location.country.first_level_divisions, Hawaii
Currency, rdf-schema#domain, Dated Money Value
Central America, location.location.contains, Gran Colombia
American Samoa, location.country.currency_used, United States Dollar
m.07ndtys, base.ontologies.ontology_instance_mapping.freebase_topic, Central America
Three Gringos In Venezuela And Central America, book.written_work.author, Nathan Van Patten
Nicaragua, base.locations.countries.continent, North America
Currency, type.type.expected_by, Currency
United States of America, location.country.administrative_divisions, Marshall Islands
Three Gringos In Venezuela And Central America, book.written_work.subjects, History
South America, book.book_subject.works, Mayeros
Central America, common.topic.subject_of, Tribal Gathering
Beyond the Mexique Bay, book.written_work.subjects, Central America
Missionary stew, book.written_work.subjects, Central America
Country, common.topic.notable_types, Panama
Central America, location.location.contains, Panama
m.05ggtfv, measurement_unit.dated_money_value.currency, United States Dollar
Central America, book.book_subject.works, Jaguars and Electric Eels
Central America, location.location.events, Operation Waverider
United States Mint, common.topic.notable_for, g.125b9r2kt
Business, type.domain.types, Currency
Central America, film.film_location.featured_in_films, Rainforest 3D
Countries, rdf-schema#range, Country
Currency, type.type.expected_by, Source of exchange
Central America, book.book_subject.works, Doctor Frigo
Central America, location.location.people_born_here, John Sebastian Marlowe Ward
m.05nc0jr, measurement_unit.dated_money_value.currency, United States Dollar
Central America, location.location.events, Caribbean theater of the American Revolutionary War
Countries Used, rdf-schema#domain, Currency
Timor-Leste, location.country.currency_used, United States Dollar
Countries, rdf-schema#domain, Form of Government
Three Gringos In Venezuela And Central America, book.book.editions, Three gringos in Venezuela and Central America
Central America, book.book_subject.works, Children of Cain
Caribbean special municipalities of the Netherlands, location.country.currency_used, United States Dollar
Ecuador, location.country.currency_used, United States Dollar
From slavery to freedom, book.written_work.subjects, Central America
Catchbudget, organization.organization.geographic_scope, United States of America
Tina Rosenberg, people.person.nationality, United States of America
Netherlands, location.country.currency_used, United States Dollar
Central America, book.book_subject.works, The Birds of Costa Rica
Italy, location.country.currency_used, Euro
Continental Currency, base.coinsdaily.coin_type.successor_coin_type, United States Dollar
m.05mq901, measurement_unit.dated_money_value.currency, United States Dollar

Answer: El Salvador
Panama