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 Nato country has the largest calling code? 
Knowledge Triplets: m.07y661_, military.military_combatant_group.combatants, North Atlantic Treaty Organization (NATO)
North Atlantic Treaty Organization (NATO), book.author.works_written, Flight test techniques
World Trade Organization, organization.organization.founders, Italy
m.0bhg7bw, military.military_combatant_group.combatants, Kingdom of Greece
Belgium, organization.organization_founder.organizations_founded, North Atlantic Treaty Organization (NATO)
North Atlantic Treaty Organization (NATO), organization.membership_organization.members, m.04jsm49
United Kingdom, common.topic.notable_types, Country
Flag of NATO.png, common.image.appears_in_topic_gallery, North Atlantic Treaty Organization (NATO)
m.0ggdlm2, military.military_combatant_group.combatants, Kingdom of Greece
Poland, common.topic.notable_types, Country
Operation Deny Flight, base.culturalevent.event.entity_involved, North Atlantic Treaty Organization (NATO)
North Atlantic Treaty Organization (NATO), military.military_combatant.includes_allies, Bulgaria
m.0bhf92f, military.military_combatant_group.combatants, Kingdom of Greece
Council of Europe, organization.organization.founders, Luxembourg
Portugal, organization.organization_founder.organizations_founded, North Atlantic Treaty Organization (NATO)
World Trade Organization, organization.organization.founders, Belgium
Council of Europe, organization.organization.founders, Italy
North Atlantic Treaty Organization (NATO), book.author.works_written, NATO basic documents
m.0bd40bv, military.military_combatant_group.combatants, North Atlantic Treaty Organization (NATO)
World Trade Organization, organization.organization.founders, France
Council of Europe, base.nations.supranational_body.member, France
Germany, location.country.currency_used, Euro
Combustion and fuels in gas turbine engines, book.written_work.author, North Atlantic Treaty Organization (NATO)
m.03l8c0f, common.webpage.topic, North Atlantic Treaty Organization (NATO)
m.0bhg2d4, military.military_combatant_group.combatants, Kingdom of Greece
Belgium, military.military_combatant.military_conflicts, m.048z_dd
m.03wzc6t, organization.organization_membership.organization, North Atlantic Treaty Organization (NATO)
m.07y5v4_, military.military_combatant_group.combatants, North Atlantic Treaty Organization (NATO)
North Atlantic Treaty Organization (NATO), freebase.valuenotation.is_reviewed, Social media presence
Europe, base.locations.continents.countries_within, Poland
NATO handbook, common.topic.notable_types, Book
Operation Kamin, base.culturalevent.event.entity_involved, North Atlantic Treaty Organization (NATO)
North Atlantic Treaty Organization (NATO), organization.organization.founders, Italy
m.04g9ysp, military.military_combatant_group.combatants, Canada
Netherlands, base.locations.countries.continent, Europe
North Atlantic Treaty Organization (NATO), organization.organization.founders, Netherlands
Triple Entente, military.military_combatant.includes_allies, Belgium
North Atlantic Treaty Organization (NATO), organization.membership_organization.members, m.03wyt_4
m.07nff1w, base.ontologies.ontology_instance_mapping.freebase_topic, North Atlantic Treaty Organization (NATO)
Germany, organization.organization_founder.organizations_founded, European Union
Europe, base.locations.continents.countries_within, Luxembourg
Council of Europe, organization.organization.geographic_scope, Europe
m.03w6012, organization.organization_membership.member, Germany
Allies of World War I, military.military_combatant.includes_allies, Belgium
Triple Entente, military.military_combatant.includes_allies, United Kingdom
North Atlantic Treaty Organization (NATO), base.ontologies.ontology_instance.equivalent_instances, m.07nff1w
North Atlantic Treaty Organization (NATO), book.author.works_written, The signing of the North Atlantic treaty
m.04kc73_, business.employment_tenure.title, Supreme Allied Commander, Europe
North Atlantic Treaty Organization (NATO), military.military_combatant.military_conflicts, m.0bd40bv
Northern Europe, location.location.contains_major_portion_of, Nordic countries
NATO, the first five years, 1949-1954, book.written_work.author, North Atlantic Treaty Organization (NATO)
m.03z967f, military.military_combatant_group.combatants, Netherlands
Europe, base.locations.continents.countries_within, Belgium
United Nations, organization.organization.founders, France
m.03z967f, military.military_combatant_group.combatants, France
Denmark, base.locations.countries.continent, Europe
Council of Europe, organization.organization.founders, Netherlands
nato, internet.top_level_domain.sponsor, North Atlantic Treaty Organization (NATO)
World Trade Organization, organization.organization.founders, Norway
m.0bhf1zt, military.military_combatant_group.combatants, Kingdom of Greece
m.03w6017, organization.organization_membership.organization, North Atlantic Treaty Organization (NATO)
North Atlantic Treaty Organization (NATO), military.military_combatant.military_conflicts, m.0bf4p91
m.0b6s1_7, common.webpage.topic, North Atlantic Treaty Organization (NATO)
North Atlantic Treaty Organization (NATO), event.event_producer.events_produced, North Atlantic Treaty Organization Summit in Chicago in 2012
m.0v1bsxp, military.casualties.combatant, Kingdom of Greece
NATO basic documents, common.topic.notable_for, g.1256fvj3v
m.03z967f, military.military_combatant_group.combatants, Germany
North Atlantic Treaty Organization (NATO), book.author.works_written, Mission plan
Canada, organization.organization_founder.organizations_founded, North Atlantic Treaty Organization (NATO)
North Atlantic Treaty Organization (NATO), common.topic.notable_types, Membership organization
Poland, military.military_combatant.military_conflicts, m.048z_dd
United Nations, organization.organization.founders, Norway
Flag of NATO.png, common.image.size, m.0kkm4k
North Atlantic Treaty Organization (NATO), military.military_combatant.military_conflicts, m.07y6s95
m.0422h__, common.webpage.topic, North Atlantic Treaty Organization (NATO)
NATO and the Warsaw Pact, common.topic.notable_types, Book
North Atlantic Treaty Organization (NATO), common.topic.image, Flag of NATO.png
NATO 1949 - 1999 OTAN, book.written_work.author, North Atlantic Treaty Organization (NATO)
Europe, base.locations.continents.countries_within, United Kingdom
North Atlantic Treaty Organization (NATO), military.military_combatant.military_conflicts, m.07y5yss
NATO basic documents, common.topic.notable_types, Book
m.04g9ysp, military.military_combatant_group.combatants, Norway
m.0w8w287, organization.leadership.person, Anders Fogh Rasmussen
United Kingdom, organization.organization_founder.organizations_founded, United Nations
Norway, base.locations.countries.continent, Europe
m.04g9ysp, military.military_combatant_group.combatants, United Kingdom
m.048z_dd, military.military_combatant_group.combatants, Belgium
Operation Active Endeavour, base.culturalevent.event.entity_involved, North Atlantic Treaty Organization (NATO)
Allies of World War I, military.military_combatant.includes_allies, Kingdom of Greece
Germany, organization.organization_member.member_of, m.03w6012
North Atlantic Treaty Organization (NATO), military.military_combatant.military_conflicts, m.07y7k_j
Bibliographie, book.written_work.author, North Atlantic Treaty Organization (NATO)
m.048z_dd, military.military_combatant_group.combatants, Poland
Poland, base.locations.countries.continent, Europe
m.0bhg90m, military.military_combatant_group.combatants, Kingdom of Greece
North Atlantic Treaty Organization (NATO), organization.organization.founders, Canada
World Trade Organization, organization.organization.founders, United Kingdom
m.02hv_0l, aviation.aircraft_ownership_count.aircraft_owner, North Atlantic Treaty Organization (NATO)
m.048z_dd, military.military_combatant_group.combatants, Luxembourg
France, base.locations.countries.continent, Eurasia
North Atlantic Treaty Organization (NATO), book.book_subject.works, The Dawn of Peace in Europe
m.04g9ysp, military.military_combatant_group.combatants, France
m.03z967f, military.military_combatant_group.combatants, United Kingdom
United Kingdom, military.military_combatant.belongs_to_combatant_group, Allies of World War II
Aircraft fire safety, book.written_work.author, North Atlantic Treaty Organization (NATO)
United States of America, base.locations.countries.planet, Earth
m.0w8w287, organization.leadership.organization, North Atlantic Treaty Organization (NATO)
Germany, military.military_combatant.military_conflicts, m.03z967f
United Nations, organization.organization.founders, Netherlands
Bulgaria, base.locations.countries.continent, Europe
m.03wzc6t, organization.organization_membership.member, United States of America
Kingdom of Greece, military.military_combatant.belongs_to_combatant_group, North Atlantic Treaty Organization (NATO)
NATO bombing of Yugoslavia, military.military_conflict.combatants, m.07y5ffx
North Atlantic Treaty Organization (NATO), organization.organization.founders, United States of America
North Atlantic Treaty Organization (NATO), business.employer.employees, m.046w6xq
Nato advanced study institutes, 1974 =, common.topic.notable_for, g.125bk0swv
North Atlantic Treaty Organization (NATO), aviation.aircraft_owner.aircraft_fleet_composition, m.02hv_0l
NATO handbook, common.topic.notable_for, g.125fpx9sz
North Atlantic Treaty Organization (NATO), book.author.works_written, Phytoremediation of Metal-Contaminated Soils
m.03l8c0f, common.webpage.resource, m.0bm51jr
North Atlantic Treaty Organization (NATO), base.schemastaging.context_name.pronunciation, g.125_pvr5s
UNESCO, organization.organization.founders, France
European Union, organization.organization.founders, Netherlands
North Atlantic Treaty Organization (NATO), common.topic.webpage, m.03l8c0f
Allies of World War II, military.military_combatant.includes_allies, United Kingdom
m.0c5ltjr, military.military_combatant_group.combatants, Kingdom of Greece
NATO agreements on status: travaux préparatoires, common.topic.notable_for, g.1255ym_zs
United Kingdom, military.military_combatant.belongs_to_combatant_group, Allies of World War I
European Union, common.topic.notable_types, Membership organization
m.0bhf3px, military.military_combatant_group.combatants, Kingdom of Greece
North Atlantic Treaty Organization (NATO), military.military_combatant.military_conflicts, m.0gv466r
m.04kc73_, business.employment_tenure.company, North Atlantic Treaty Organization (NATO)
North Atlantic Treaty Organization (NATO), common.topic.notable_for, g.1258dv3b1
Defense communications, common.topic.notable_for, g.1255hgw2t
nato, common.topic.notable_types, Top Level Domain
United States of America, organization.organization_member.member_of, m.03wzc6t
m.0ggg3qv, military.military_combatant_group.combatants, Kingdom of Greece
North Atlantic Treaty Organization (NATO), book.author.works_written, NATO and the Warsaw Pact
m.04g9ysp, military.military_combatant_group.combatants, Poland
m.046w6xq, business.employment_tenure.company, North Atlantic Treaty Organization (NATO)
Poland, location.location.containedby, Europe
Supreme Allied Commander, Europe, business.job_title.people_with_this_title, m.04kc73_
m.03z967f, military.military_combatant_group.combatants, Belgium
m.046w6xq, business.employment_tenure.title, Supreme Allied Commander, Europe
The Dawn of Peace in Europe, book.written_work.subjects, North Atlantic Treaty Organization (NATO)
Belgium, base.locations.countries.continent, Europe
Canada, base.locations.countries.continent, North America
North Atlantic Treaty Organization (NATO), military.military_combatant.includes_allies, Kingdom of Greece
m.0bhg6lc, military.military_combatant_group.combatants, Kingdom of Greece
World Trade Organization, organization.organization.founders, Luxembourg
Luxembourg, base.locations.countries.continent, Europe
North Atlantic Treaty Organization (NATO), common.topic.webpage, m.0422h__
Operation Ocean Shield, base.culturalevent.event.entity_involved, North Atlantic Treaty Organization (NATO)
North Atlantic Treaty Organization (NATO), common.topic.article, m.059dz
Iceland, organization.organization_founder.organizations_founded, North Atlantic Treaty Organization (NATO)
European Union, organization.organization.geographic_scope, Europe
m.03z967f, military.military_combatant_group.combatants, Canada
Nato advanced study institutes, 1974 =, common.topic.notable_types, Book
m.07vjs3f, military.military_combatant_group.combatants, North Atlantic Treaty Organization (NATO)
North Atlantic Treaty Organization (NATO), freebase.valuenotation.is_reviewed, Date founded
United Nations, organization.organization.founders, Luxembourg
World Trade Organization, organization.organization.founders, Germany
United Nations, organization.organization.founders, Canada
NATO and the Warsaw Pact, common.topic.notable_for, g.125cr6f2x
North Atlantic Treaty Organization Summit in Chicago in 2012, common.topic.notable_for, g.1257lxszj
Allies of World War I, military.military_combatant.includes_allies, United Kingdom
Luxembourg, organization.organization_founder.organizations_founded, North Atlantic Treaty Organization (NATO)
Allies of World War II, military.military_combatant.includes_allies, Kingdom of Greece
Plans and developments for air traffic systems, book.written_work.author, North Atlantic Treaty Organization (NATO)
North America, base.locations.continents.countries_within, United States of America
United Nations, organization.organization.founders, Denmark
Council of Europe, organization.organization.founders, Belgium
Defense communications, book.written_work.author, North Atlantic Treaty Organization (NATO)
m.04jsm49, organization.organization_membership.member, United Kingdom
The signing of the North Atlantic treaty, book.written_work.author, North Atlantic Treaty Organization (NATO)
North Atlantic Treaty Organization (NATO), book.author.works_written, Automatic translation of languages
Operation Enduring Freedom – Horn of Africa, base.culturalevent.event.entity_involved, North Atlantic Treaty Organization (NATO)
Council of Europe, common.topic.notable_types, Membership organization
Europe, base.locations.continents.countries_within, Germany
m.03wyt_4, organization.organization_membership.organization, North Atlantic Treaty Organization (NATO)
United Nations, organization.organization.founders, United States of America
Poland, organization.organization_founder.organizations_founded, United Nations
m.07y6s95, military.military_combatant_group.combatants, North Atlantic Treaty Organization (NATO)
Denmark, organization.organization_founder.organizations_founded, North Atlantic Treaty Organization (NATO)
m.0bhfj5m, military.military_combatant_group.combatants, Kingdom of Greece
Phytoremediation of Metal-Contaminated Soils, book.written_work.author, North Atlantic Treaty Organization (NATO)
m.0djy8_0, government.national_anthem_of_a_country.country, Kingdom of Greece
Belgium, organization.organization_founder.organizations_founded, European Union
m.03w6017, organization.organization_membership.member, Poland
NATO, the first five years, 1949-1954, common.topic.notable_for, g.125cpz49_
m.04g9ysp, military.military_combatant_group.combatants, Belgium
North Atlantic Treaty Organization (NATO), organization.organization.founders, Iceland
Germany, common.topic.notable_types, Country
m.048z_dd, military.military_combatant_group.combatants, United Kingdom
North Atlantic Treaty Organization (NATO), book.author.works_written, Aircraft fire safety
1110, location.postal_code.country, Belgium
World Trade Organization, organization.organization.founders, Netherlands
m.0bf4p91, military.military_combatant_group.combatants, North Atlantic Treaty Organization (NATO)
Allies of World War II, military.military_combatant.includes_allies, United States of America
m.07y5yss, military.military_combatant_group.combatants, North Atlantic Treaty Organization (NATO)
North Atlantic Treaty Organization Summit in Chicago in 2012, common.topic.notable_types, Produced event
North Atlantic Treaty Organization (NATO), organization.membership_organization.members, m.03w6017
Belgium, military.military_combatant.belongs_to_combatant_group, Allies of World War I
North Atlantic Treaty Organization (NATO), internet.top_level_domain_sponsor.domains, nato
NATO bombing of Yugoslavia, base.culturalevent.event.entity_involved, North Atlantic Treaty Organization (NATO)
North Atlantic Treaty Organization (NATO), military.military_combatant.military_commanders, m.0wgg8pz
North Atlantic Treaty Organization (NATO), book.author.works_written, Bibliographie
m.0bhdkg8, military.military_combatant_group.combatants, Kingdom of Greece
m.0hvygw0, military.military_combatant_group.combatants, North Atlantic Treaty Organization (NATO)
NATO handbook, book.written_work.author, North Atlantic Treaty Organization (NATO)
The North Atlantic Treaty Organization, book.written_work.author, North Atlantic Treaty Organization (NATO)
North Atlantic Treaty Organization (NATO), military.military_combatant.military_conflicts, m.07y5nn3
France, organization.organization_founder.organizations_founded, North Atlantic Treaty Organization (NATO)
North Atlantic Treaty Organization (NATO), organization.organization.founders, Belgium
m.0bf4p91, military.military_combatant_group.conflict, Bosnian War
North Atlantic Treaty Organization (NATO), organization.organization.founders, France
m.0v1bsn9, military.casualties.combatant, Kingdom of Greece
Siege of Sarajevo, base.culturalevent.event.entity_involved, North Atlantic Treaty Organization (NATO)
North Atlantic Treaty Organization (NATO), organization.organization.founders, United Kingdom
North Atlantic Treaty Organization (NATO), military.military_combatant.military_conflicts, m.0hvygw0
m.0wgg8pz, military.military_command.military_combatant, North Atlantic Treaty Organization (NATO)
m.04jsm49, organization.organization_membership.organization, North Atlantic Treaty Organization (NATO)
Portugal, base.locations.countries.continent, Europe
m.0bhg3qb, military.military_combatant_group.combatants, Kingdom of Greece
UNESCO, organization.organization.founders, United States of America
North Atlantic Treaty Organization (NATO), organization.organization.founders, Portugal
NATO, the first five years, 1949-1954, common.topic.notable_types, Book
North Atlantic Treaty Organization (NATO), organization.organization.founders, Luxembourg
North Atlantic Treaty Organization (NATO), book.author.works_written, Plans and developments for air traffic systems
North Atlantic Treaty Organization (NATO), organization.organization.founders, Denmark
m.04300hm, location.mailing_address.country, Belgium
United Kingdom, organization.organization_member.member_of, m.04jsm49
North Atlantic Treaty Organization (NATO), military.military_combatant.military_conflicts, m.07y661_
North Atlantic Treaty Organization (NATO), organization.organization.headquarters, m.04300hm
Bulgaria, military.military_combatant.belongs_to_combatant_group, North Atlantic Treaty Organization (NATO)
m.07y862p, military.military_combatant_group.combatants, North Atlantic Treaty Organization (NATO)
World Trade Organization, organization.organization.founders, Canada
Amasyn, organization.organization.geographic_scope, Europe
m.0bhg1zw, military.military_combatant_group.combatants, Kingdom of Greece
United Nations, common.topic.notable_types, Membership organization
NATO and the Warsaw Pact, book.written_work.author, North Atlantic Treaty Organization (NATO)
m.04g9ysp, military.military_combatant_group.combatants, United States of America
United Nations, organization.organization.founders, Poland
m.0gv466r, military.military_combatant_group.combatants, North Atlantic Treaty Organization (NATO)
Operation Mistral 2, base.culturalevent.event.entity_involved, North Atlantic Treaty Organization (NATO)
NATO basic documents, book.written_work.author, North Atlantic Treaty Organization (NATO)
m.046w6y3, business.employment_tenure.company, North Atlantic Treaty Organization (NATO)
m.07y5dhg, military.military_combatant_group.combatants, North Atlantic Treaty Organization (NATO)
m.048z_dd, military.military_combatant_group.combatants, France
UNESCO, organization.organization.founders, United Kingdom
Triple Entente, military.military_combatant.includes_allies, France
North Atlantic Treaty Organization (NATO), business.employer.employees, m.04kc73_
Italy, base.locations.countries.continent, Europe
m.0v1bn36, military.military_command.military_combatant, Kingdom of Greece
m.04g9k0w, organization.organization_membership.organization, North Atlantic Treaty Organization (NATO)
European Union, organization.organization.founders, Belgium
North Atlantic Treaty Organization (NATO), military.military_combatant.military_conflicts, m.07y5dhg
European Union, organization.organization.founders, France
Operation Deliberate Force, base.culturalevent.event.entity_involved, North Atlantic Treaty Organization (NATO)
Belgium, military.military_combatant.military_conflicts, m.03z967f
North Atlantic Treaty Organization (NATO), book.author.works_written, Groundwater and Ecosystems
m.0bhdc3g, military.military_combatant_group.combatants, Kingdom of Greece
Supreme Allied Commander, Europe, business.job_title.people_with_this_title, m.046w6xq
m.0bx0hy5, military.military_combatant_group.combatants, Kingdom of Greece
United Nations, organization.organization.founders, Belgium
Poland, military.military_combatant.military_conflicts, m.04g9ysp
Council of Europe, organization.organization.founders, United Kingdom
m.07y5ffx, military.military_combatant_group.conflict, NATO bombing of Yugoslavia
European Union, organization.organization.founders, Luxembourg
The North Atlantic Treaty Organization, common.topic.notable_types, Book
m.0b6s1_7, common.webpage.category, Tag
North Atlantic Treaty Organization (NATO), military.military_combatant.military_conflicts, m.07y5ffx
Poland, organization.organization_member.member_of, m.03w6017
North Atlantic Treaty Organization (NATO), aviation.aircraft_owner.aircraft_fleet_composition, m.02hv_hh
NATO 1949 - 1999 OTAN, common.topic.notable_for, g.125b6c99n
North Atlantic Treaty Organization (NATO), book.author.works_written, The North Atlantic Treaty Organization
m.03z967f, military.military_combatant_group.combatants, United States of America
m.02hv_hh, aviation.aircraft_ownership_count.aircraft_owner, North Atlantic Treaty Organization (NATO)
European Union, base.nations.supranational_body.member, France
m.0bm51jr, common.resource.annotations, m.03l8c0f
North Atlantic Treaty Organization (NATO), business.employer.employees, m.046w6y3
North Atlantic Treaty Organization (NATO), book.author.works_written, Functional Properties of Nanostructured Materials
Country, freebase.type_hints.included_types, Location
North Atlantic Treaty Organization (NATO), book.author.works_written, Combustion and fuels in gas turbine engines
Iceland, base.locations.countries.continent, Europe
North Atlantic Treaty Organization (NATO), book.author.works_written, NATO, the first five years, 1949-1954
North Atlantic Treaty Organization (NATO), organization.organization.leadership, m.0w8w287
Italy, organization.organization_founder.organizations_founded, North Atlantic Treaty Organization (NATO)
Flight test techniques, book.written_work.author, North Atlantic Treaty Organization (NATO)
Norway, organization.organization_founder.organizations_founded, North Atlantic Treaty Organization (NATO)
Triple Entente, military.military_combatant.includes_allies, Portugal
North Atlantic Treaty Organization (NATO), organization.organization.founders, Norway
Battle of Košare, base.culturalevent.event.entity_involved, North Atlantic Treaty Organization (NATO)
m.0bhdrj4, military.military_combatant_group.combatants, Kingdom of Greece
North Atlantic Treaty Organization (NATO), book.author.works_written, NATO 1949 - 1999 OTAN
North Atlantic Treaty Organization (NATO), military.military_combatant.military_conflicts, m.07vjs3f
World Trade Organization, organization.organization.founders, Iceland
NATO agreements on status: travaux préparatoires, common.topic.notable_types, Book
m.0bhfzr8, military.military_combatant_group.combatants, Kingdom of Greece
m.0v1bn6r, military.military_command.military_combatant, Kingdom of Greece
European Union, organization.organization.founders, Italy
United Kingdom, organization.organization_founder.organizations_founded, Council of Europe
m.04300hm, location.mailing_address.postal_code, 1110
NATO agreements on status: travaux préparatoires, book.written_work.author, North Atlantic Treaty Organization (NATO)
Flag of NATO.png, common.topic.article, m.02h795q
m.0gmj4s0, military.military_combatant_group.combatants, Kingdom of Greece
European Union, organization.organization.founders, Germany
Triple Entente, military.military_combatant.includes_allies, Italy
North Atlantic Treaty Organization (NATO), military.military_combatant.military_conflicts, m.07y5bnr
m.0v1bpmj, military.force_strength.combatant, Kingdom of Greece
Allies of World War I, military.military_combatant.includes_allies, Portugal
United States of America, base.locations.countries.continent, North America
North Atlantic Treaty Organization Summit in Chicago in 2012, event.produced_event.produced_by, North Atlantic Treaty Organization (NATO)
nato, internet.top_level_domain.status, Discontinued
Luxembourg, organization.organization_founder.organizations_founded, United Nations
North Atlantic Treaty Organization (NATO), military.military_combatant.military_conflicts, m.07y862p
Mission plan, book.written_work.author, North Atlantic Treaty Organization (NATO)
United Kingdom, organization.organization_founder.organizations_founded, North Atlantic Treaty Organization (NATO)
General Secretary, organization.role.leaders, m.0w8w287
m.0dwhs59, military.military_combatant_group.combatants, Kingdom of Greece
United Nations, organization.organization.founders, United Kingdom
m.0bhg088, military.military_combatant_group.combatants, Kingdom of Greece
m.0bhf73c, military.military_combatant_group.combatants, Kingdom of Greece
North Atlantic Treaty Organization (NATO), freebase.valuenotation.is_reviewed, Official website
Commander of the United States European Command, business.job_title.people_with_this_title, m.046w6y3
nato, common.topic.notable_for, g.12551_vx9
m.03l8c0f, common.webpage.category, Official Website
nato, common.topic.article, m.05gp91
m.04300hm, common.topic.notable_for, g.12571zl_t
m.03w6012, organization.organization_membership.organization, North Atlantic Treaty Organization (NATO)
m.07y5nn3, military.military_combatant_group.combatants, North Atlantic Treaty Organization (NATO)
North Atlantic Treaty Organization (NATO), military.military_combatant.includes_allies, Bulgaria
Groundwater and Ecosystems, book.written_work.author, North Atlantic Treaty Organization (NATO)
Allies of World War II, military.military_combatant.includes_allies, France
North Atlantic Treaty Organization (NATO), book.author.works_written, Nato advanced study institutes, 1974 =
Netherlands, organization.organization_founder.organizations_founded, North Atlantic Treaty Organization (NATO)
Functional Properties of Nanostructured Materials, book.written_work.author, North Atlantic Treaty Organization (NATO)
North Atlantic Treaty Organization (NATO), organization.membership_organization.members, m.03w6012
m.07y5bnr, military.military_combatant_group.combatants, North Atlantic Treaty Organization (NATO)
m.0422h__, common.webpage.resource, New York Times
m.0bhg65l, military.military_combatant_group.combatants, Kingdom of Greece
North Atlantic Treaty Organization (NATO), book.author.works_written, NATO handbook
North Atlantic Treaty Organization (NATO), organization.membership_organization.members, m.04g9k0w
World Trade Organization, organization.organization.founders, Portugal
United Kingdom, base.locations.countries.continent, Europe
North Atlantic Treaty Organization (NATO), book.author.works_written, NATO agreements on status: travaux préparatoires
North Atlantic Treaty Organization (NATO), organization.membership_organization.members, m.03wzc6t
North Atlantic Treaty Organization (NATO), book.author.works_written, Defense communications
m.07y5ffx, military.military_combatant_group.combatants, North Atlantic Treaty Organization (NATO)
Nato advanced study institutes, 1974 =, book.written_work.author, North Atlantic Treaty Organization (NATO)
Nordic countries, location.location.primarily_containedby, Northern Europe
United States of America, organization.organization_founder.organizations_founded, North Atlantic Treaty Organization (NATO)
World Trade Organization, organization.organization.founders, United States of America
Automatic translation of languages, book.written_work.author, North Atlantic Treaty Organization (NATO)
m.07y7k_j, military.military_combatant_group.combatants, North Atlantic Treaty Organization (NATO)
m.03z967f, military.military_combatant_group.combatants, Bulgaria
The North Atlantic Treaty Organization, common.topic.notable_for, g.125cpz4n0
m.0bhfrqz, military.military_combatant_group.combatants, Kingdom of Greece
Belgium, organization.organization_founder.organizations_founded, United Nations
NATO 1949 - 1999 OTAN, common.topic.notable_types, Book
North Atlantic Treaty Organization (NATO), common.topic.webpage, m.0b6s1_7
m.0w8w287, organization.leadership.role, General Secretary
Germany, base.locations.countries.continent, Europe
North Atlantic Treaty Organization (NATO), military.military_combatant.military_conflicts, m.07y5v4_
Council of Europe, organization.organization.founders, Denmark

Answer: Bulgaria