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: where was the boston tea party 1773? 
Knowledge Triplets: Massachusetts, base.aareas.schema.administrative_area.capital, Boston
Boston Harbor, geography.body_of_water.islands, Langlee Island
Massachusetts, location.us_state.capital, Boston
Event, type.type.properties, Comment
Event, type.type.expected_by, Events
Boston, base.biblioness.bibs_location.state, Massachusetts
Boston Tea Party, common.topic.webpage, m.09y2fn0
End date, type.property.schema, Event
Event, type.type.properties, End date
Instance of recurring event, type.property.schema, Event
m.09y2fn0, common.webpage.in_index, Entertainment Weekly annotation index
Boston Harbor, geography.body_of_water.islands, Snake Island
Location(s), type.property.schema, Event
Event, type.type.expected_by, Events used for
Comment, type.property.schema, Event
Boston Harbor, geography.body_of_water.islands, Green Island
Boston Harbor, geography.body_of_water.islands, Hangman Island
Event, type.type.expected_by, event
What I learned about the '70s from 'Swingtown', common.resource.annotations, m.09y2fn0
Spectacle Island, geography.island.body_of_water, Boston Harbor
Boston, location.location.contains_major_portion_of, Boston Harbor
Location(s), rdf-schema#domain, Event
Event, type.type.expected_by, District Events
Boston Harbor, common.topic.notable_for, g.12571n7vh
Boston Harbor, geography.body_of_water.islands, Sheep Island
Boston Harbor, location.location.contains, Deer Island Light
Boston Harbor, location.location.contains, Noddle's Island
Boston Tea Party, common.topic.notable_for, g.12574v___
Boston Tea Party Currier colored, common.image.appears_in_topic_gallery, Boston Tea Party
Event, type.type.expected_by, Prominent Figure of
Body Of Water, freebase.type_profile.published, Published
Included in event, type.property.reverse_property, Includes event
Boston Harbor, location.location.primarily_containedby, Boston
Event, freebase.type_profile.equivalent_topic, Event
Event, type.type.expected_by, Played at
Boston Harbor, location.location.contains, Boston Harbor Islands National Recreation Area
Boston Harbor, geography.body_of_water.bridges, Callahan Tunnel
Boston Harbor, location.location.events, Boston Tea Party
Boston Harbor, geography.body_of_water.islands, Sarah Island
Start date, rdf-schema#domain, Event
Boston Harbor, geography.body_of_water.islands, Slate Island
Boston Harbor, geography.body_of_water.islands, Ragged Island
Start date, type.property.schema, Event
Body Of Water, freebase.type_profile.strict_included_types, Inanimate
Boston Harbor, geography.body_of_water.islands, The Graves
Event, type.type.expected_by, Edition
m.09y2fn0, common.webpage.topic, Boston Tea Party
Boston Tea Party, common.topic.notable_types, Event
Boston tea party, common.image.appears_in_topic_gallery, Sons of Liberty
Event, type.type.expected_by, Notable events
Boston Harbor, geography.body_of_water.islands, Spinnaker Island
Boston Tea Party, common.topic.image, Boston tea party
Included in event, owl#inverseOf, Includes event
Boston Harbor, geography.body_of_water.islands, Shag Rocks
m.09y2fn0, common.webpage.resource, What I learned about the '70s from 'Swingtown'
Body Of Water, freebase.type_hints.included_types, Topic
Boston Harbor, geography.body_of_water.islands, Thompson Island
Event, type.type.expected_by, Event year
Included in event, rdf-schema#range, Event
Boston Harbor, geography.body_of_water.islands, Moon Island
Boston Harbor, geography.body_of_water.islands, Castle Island
Boston Harbor, geography.body_of_water.islands, Outer Brewster Island
Boston Harbor, travel.travel_destination.tourist_attractions, Boston Harborwalk
Boston Harbor, geography.body_of_water.bridges, Sumner Tunnel
Boston, base.biblioness.bibs_topic.is_really, Boston
Boston Harbor, geography.body_of_water.islands, Calf Island
Boston Harbor, geography.body_of_water.islands, Raccoon Island
Boston, location.hud_county_place.place, Boston
Boston Harbor, geography.body_of_water.islands, Rainsford Island
Event, type.type.expected_by, Horse race instances
Event, type.type.expected_by, Ship Journey event
Instance of recurring event, owl#inverseOf, Instances
Event, type.type.expected_by, Year
Boston Harbor, common.topic.notable_types, Body Of Water
Location(s), type.property.reverse_property, Events
Event, type.type.properties, Start date
Boston Harbor, common.topic.image, Topographic map of Boston Harbor
Spectacle Island, location.location.containedby, Massachusetts
Spectacle Island, geography.island.island_group, Boston Harbor Islands National Recreation Area
Event, type.type.expected_by, Oscar show hosted
Boston Harbor, geography.body_of_water.islands, Little Calf Island
Event, freebase.type_profile.strict_included_types, Inanimate
Body Of Water, freebase.type_profile.strict_included_types, Topic
Boston Harbor, geography.body_of_water.islands, Little Brewster Island
Event, type.type.properties, Instance of recurring event
Event, type.type.expected_by, Conflict source for displacement
Event, freebase.type_hints.included_types, Topic
Boston Harbor, geography.body_of_water.islands, Spectacle Island
Location(s), owl#inverseOf, Events
End date, rdf-schema#domain, Event
Event, type.type.expected_by, Event
Event, type.type.expected_by, Participated in revolution
Included in event, type.property.expected_type, Event
Boston Harbor, location.location.containedby, Massachusetts
Event, type.type.expected_by, Associated event
Event, type.type.properties, Included in event
Boston Harbor, geography.body_of_water.bridges, Long Island Bridge
Boston Harbor, geography.body_of_water.islands, Peddocks Island
Event, type.type.expected_by, Event that triggered displacement
Event, type.type.properties, People involved
Body Of Water, freebase.type_profile.strict_included_types, Non-Agent
Event, type.type.expected_by, Instances
Boston Harbor, geography.body_of_water.islands, Gallops Island
Boston Harbor, geography.body_of_water.islands, Middle Brewster Island
Boston Harbor, geography.body_of_water.islands, Great Brewster Island
Boston Harbor, organization.organization_scope.organizations_with_this_scope, Piers Park Sailing Center
Boston, location.location.containedby, Massachusetts
Boston Harbor, geography.body_of_water.islands, Lovells Island
Event, type.type.properties, Includes event
Boston Harbor, geography.body_of_water.islands, Georges Island
Instance of recurring event, type.property.reverse_property, Instances
Event, type.type.expected_by, Included in event
Boston tea party, common.image.appears_in_topic_gallery, Taxation history of the United States
Body Of Water, freebase.type_profile.kind, Definition
Boston Harbor, geography.body_of_water.islands, Grape Island
Included in event, type.property.schema, Event
Boston tea party, common.image.appears_in_topic_gallery, Boston Tea Party
Event, freebase.type_profile.kind, Definition
Boston Harbor, common.topic.article, m.04n7kh2
Boston Harbor, geography.body_of_water.islands, Noddle's Island
Event, type.type.expected_by, Includes event
Event, type.type.domain, Event
Event, type.type.expected_by, Academy Awards show
Boston Tea Party, common.topic.image, Boston Tea Party Currier colored
Boston Harbor, geography.body_of_water.islands, Long Island
Boston Tea Party, time.event.locations, Boston Harbor
Boston Tea Party, time.event.locations, Boston Harbor
Boston, base.biblioness.bibs_topic.subsumes, Boston
Event, freebase.type_profile.published, Published
Boston Harbor, geography.body_of_water.islands, Bumpkin Island
Boston Harbor, geography.body_of_water.islands, Button Island
Boston Tea Party Currier colored, common.image.appears_in_topic_gallery, Chestertown Tea Party
Comment, rdf-schema#domain, Event
Boston Harbor, location.location.geolocation, m.0clmgql
Boston Harbor, geography.body_of_water.islands, Deer Island
Event, type.type.expected_by, Related Event
Included in event, rdf-schema#domain, Event
Event, common.topic.article, m.02zd1jj
Boston Tea Party, common.topic.article, m.0ccd9j
Boston Harbor, film.film_location.featured_in_films, Shutter Island
Boston Harbor, location.location.events, Capture of USS Chesapeake
Event, freebase.type_profile.strict_included_types, Topic
Event, type.type.properties, Location(s)
Event, freebase.type_profile.strict_included_types, Non-Agent
Instance of recurring event, rdf-schema#domain, Event
Boston Harbor, geography.body_of_water.islands, Nixes Mate
Event, type.type.expected_by, Exhibited at event
Boston Tea Party Currier colored, common.image.size, m.05tw0pr
Boston Tea Party, base.schemastaging.context_name.pronunciation, g.125_l36xc
Event, type.type.expected_by, Related events
Capture of USS Chesapeake, time.event.locations, Boston
Capture of USS Chesapeake, time.event.locations, Boston Harbor
Event, type.type.expected_by, Rise to prominence
Boston tea party, common.image.size, m.02bktcq

Answer: Boston Harbor