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: In which place did President Barack Obama live, which is located in Northwest, Washington, D.C.? 
Knowledge Triplets: Yes We Can: A Biography of President Barack Obama, common.topic.notable_types, Book
Family of Barack Obama, common.topic.notable_for, g.12575gdnp
Barack Obama, book.book_subject.works, President Barack Obama and the Message Beyond the Photograph
Barack Obama 2009 presidential inauguration, base.culturalevent.event.entity_involved, Barack Obama
m.04wrwjv, base.firsts.first_achievement.first, Barack Obama
Yes We Can: A Biography of President Barack Obama, book.written_work.subjects, Barack Obama
Barack H. Obama: The Unauthorized Biography, book.written_work.subjects, Barack Obama
Barack Obama in His Own Words, book.book_edition.place_of_publication, New York City
United States Capitol, location.location.events, Barack Obama 2009 presidential inauguration
m.03xdtyk, people.place_lived.person, Barack Obama
Northwest, Washington, D.C., location.location.contains, Old Naval Observatory
Barack Obama 2009 presidential inauguration, common.topic.webpage, m.0b6rs3n
Northwest, Washington, D.C., location.location.contains, Petworth
Northwest, Washington, D.C., location.location.contains, Kesher Israel
Northwest, Washington, D.C., location.location.contains, Embassy of People's Republic of China in Washington, D.C.
Northwest, Washington, D.C., location.location.contains, American University School of Communication
Northwest, Washington, D.C., location.location.contains, Embassy of Nepal in Washington, D.C.
Yes We Can: A Biography of President Barack Obama, book.written_work.author, Garen Thomas
Northwest, Washington, D.C., location.location.contains, Oscar W. Underwood House
President Barack Obama and the Message Beyond the Photograph, common.topic.subjects, Politics
Northwest, Washington, D.C., location.location.contains, Oak Hill Cemetery Chapel
Contemporary history, book.book_subject.works, President Barack Obama and the Message Beyond the Photograph
Barack Obama in His Own Words, common.topic.notable_for, g.125d3_x15
Northwest, Washington, D.C., location.location.contains, Janney Elementary School
Northwest, Washington, D.C., location.location.contains, 1925 F Street Club
Abo Obama, people.person.parents, Barack Obama, Sr.
Northwest, Washington, D.C., location.location.contains, St. Paul's Episcopal Church
President Barack Obama and the Message Beyond the Photograph, base.vanhomeless.media_coverage.reporter, Aberjhani
Northwest, Washington, D.C., location.location.contains, Friendship Heights
Barack Obama, people.person.places_lived, m.05gmrjl
Barack Obama, people.person.employment_history, m.02nqgqh
Barack Obama, freebase.valuenotation.is_reviewed, Place of birth
Barack Obama, people.person.sibling_s, m.0n4sqkd
Northwest, Washington, D.C., location.location.contains, Alibi Club
A Moment in History: The Inauguration of Barack Obama, film.film.country, United States of America
Barack Obama, book.book_subject.works, The Obama Nation
President Barack Obama and the Message Beyond the Photograph, common.topic.subjects, Contemporary history
Family of Barack Obama, common.topic.image, Obama family portrait in the Green Room
Barack Obama, people.person.education, m.012m9zwm
Barack Obama, people.person.ethnicity, Irish American
m.0ccfkl4, people.place_lived.location, White House
Tenleytown, location.location.containedby, Northwest, Washington, D.C.
Bloomingdale, location.location.containedby, Northwest, Washington, D.C.
Barack Obama, government.political_appointer.appointees, m.0527js1
Barack Obama, people.person.employment_history, m.02nqgsc
U.S. Senator Barack Obama Podcast, broadcast.content.location, Washington, D.C.
President Barack Obama: The Man and His Journey, film.film.country, United States of America
m.046whfj, common.webpage.topic, U.S. Senator Barack Obama Podcast
Official portrait of Barack Obama, common.image.appears_in_topic_gallery, United States presidential election in South Carolina, 2008
Barack Obama, freebase.valuenotation.is_reviewed, Gender
Barack H. Obama: The Unauthorized Biography, book.book.editions, Barack H. Obama: The Unauthorized Biography
m.063s48m, base.popstra.friendship.participant, Barack Obama
Northwest, Washington, D.C., location.location.contains, Embassy Gulf Service Station
Barack Obama, government.political_appointer.appointees, m.0jb8k42
Thomas T. Gaff House, location.location.containedby, Northwest, Washington, D.C.
Barack Obama Extends Historical Legacy \"Astride the Promise of Change\", book.written_work.original_language, American English
m.063qv6w, base.popstra.friendship.participant, Barack Obama
President Barack Obama and the Message Beyond the Photograph, common.topic.subjects, United States elections, 2012
Barack Obama, broadcast.producer.location, Washington, D.C.
2000 Pennsylvania Avenue, location.location.containedby, Northwest, Washington, D.C.
m.012m4x3m, education.education.student, Barack Obama
Twitter, common.topic.subject_of, President Barack Obama and the Message Beyond the Photograph
Biography: Barack Obama: Inaugural Edition, film.film.country, United States of America
Barack Obama, freebase.valuenotation.is_reviewed, Official name
Barack Obama, base.schemastaging.context_name.pronunciation, m.0hy_23z
Barack Obama, people.person.nationality, United States of America
Adams Morgan, location.location.containedby, Northwest, Washington, D.C.
Northwest, Washington, D.C., location.location.contains, 2000 Pennsylvania Avenue
Barack Obama, people.person.education, m.0nbyj44
Barack Obama, government.political_appointer.appointees, m.05g5040
Administration Building, Carnegie Institution of Washington, location.location.containedby, Northwest, Washington, D.C.
Barack Obama, government.political_appointer.appointees, m.064d51m
Barack Obama, people.person.education, m.02nqgp6
Hilleary T. Burrows House, location.location.containedby, Northwest, Washington, D.C.
Northwest, Washington, D.C., location.location.contains, Oriental Building Association No. 6 Building
Official portrait of Barack Obama, common.image.appears_in_topic_gallery, Brad Pfaff
Barack Obama, base.firsts.first.achievements, m.05gmrc3
Northwest, Washington, D.C., location.location.contains, Embassy of Israel in Washington, D.C.
Barack Obama, freebase.valuenotation.is_reviewed, Date of birth
Woodley Park, Washington, D.C., location.location.containedby, Northwest, Washington, D.C.
Northwest, Washington, D.C., location.location.contains, French ambassador's residence in Washington, D.C.
Barack Obama, people.person.education, m.0nbyhy_
m.0dfzl4x, architecture.occupancy.building, White House
Official portrait of Barack Obama, common.image.appears_in_topic_gallery, Presidency of Barack Obama
Northwest, Washington, D.C., location.location.contains, Crestwood
Barack Obama 2009 presidential inauguration, time.event.locations, United States Capitol
m.012m9zwm, education.education.student, Barack Obama
Barack Obama Senate Portrait, common.image.appears_in_topic_gallery, Barack Obama
BarackObama, internet.blog.blogger, Barack Obama
President Barack Obama and the Message Beyond the Photograph, common.topic.subjects, Democracy
Barack Obama 2009 presidential inauguration, base.inaugurations.inauguration.president, Barack Obama
Barack Obama, base.popstra.celebrity.friendship, m.063qv6w
Northwest, Washington, D.C., location.location.contains, Robert and Lillie May Stone House
Barack Obama, people.person.place_of_birth, Honolulu
Northwest, Washington, D.C., location.location.contains, Hilleary T. Burrows House
m.012l94sv, education.education.student, Barack Obama
Barack Obama, people.person.places_lived, m.03xdtyk
Northwest, Washington, D.C., location.location.contains, Cleveland Park
Northwest, Washington, D.C., location.location.contains, Gladstone and Hawarden Apartment Buildings
Northwest, Washington, D.C., location.location.contains, Church of the Epiphany
Barack Obama, Sr., people.person.children, Auma Obama
McCormick House, location.location.containedby, Northwest, Washington, D.C.
Northwest, Washington, D.C., location.location.contains, Woodley Park, Washington, D.C.
Northwest, Washington, D.C., common.topic.notable_types, Location
m.0jk25sh, location.mailing_address.citytown, Northwest, Washington, D.C.
Barack Obama, symbols.name_source.namesakes, Mount Obama
Barack Obama, base.popstra.organization.supporter, m.0645nnh
Barack Obama Extends Historical Legacy \"Astride the Promise of Change\", book.written_work.subjects, United States of America
Barack Obama, base.popstra.celebrity.supporter, m.063wq4q
Barack Obama, people.person.profession, Politician
U.S. Senator Barack Obama Podcast, common.topic.webpage, m.046whfj
Official portrait of Barack Obama, common.image.appears_in_topic_gallery, Assassination threats against Barack Obama
Barack Obama, base.popstra.celebrity.supporter, m.063wq51
Northwest, Washington, D.C., location.location.contains, Mary Ann Shadd Cary House
Barack Obama, government.political_appointer.appointees, m.052mbx6
Northwest, Washington, D.C., location.location.contains, Shepherd Park
m.063wnr6, base.popstra.friendship.participant, Barack Obama
Northwest, Washington, D.C., location.location.contains, Glover Park
Northwest, Washington, D.C., location.location.contains, McCormick House
Barack Obama in comics, fictional_universe.fictional_character.place_of_birth, Honolulu
Barack Obama: People's President, film.film.language, English Language
Northwest, Washington, D.C., location.location.contains, Department of Labor Building
U.S. Senator Barack Obama Podcast, common.topic.article, m.03hrlr_
Northwest, Washington, D.C., location.location.contains, Trinity Towers
m.05gmrjl, people.place_lived.person, Barack Obama
m.0b49520, common.webpage.topic, Family of Barack Obama
Northwest, Washington, D.C., location.location.contains, Captain Nathan Hale
Northwest, Washington, D.C., location.location.contains, LeDroit Park
Auma Obama, people.person.parents, Barack Obama, Sr.
Barack Obama 2009 presidential inauguration, base.culturalevent.event.entity_involved, John Roberts
Northwest, Washington, D.C., common.topic.article, m.03qdz6
Northwest, Washington, D.C., location.location.people_born_here, Wale
m.0dfzl4x, architecture.occupancy.occupant, Barack Obama
Barack Obama, people.person.profession, Writer
Northwest, Washington, D.C., location.location.contains, Embassy of China in Washington, D.C.
Cruz deWilde, people.person.place_of_birth, Northwest, Washington, D.C.
Northwest, Washington, D.C., location.location.contains, Dumbarton Bridge
Northwest, Washington, D.C., location.location.contains, Myrene Apartment Building
Northwest, Washington, D.C., location.location.contains, Morris House
m.04s_x47, people.place_lived.person, Barack Obama
Multiracial American, people.ethnicity.people, Barack Obama
Barack Obama, symbols.namesake.named_after, Barack Obama, Sr.
Barack Obama, people.person.parents, Barack Obama, Sr.
Barack Obama, common.topic.image, Barack Obama Senate Portrait
Family of Barack Obama, people.family.members, Natasha Obama
Barack Obama, people.person.spouse_s, m.02nqglv
Barack Obama, people.person.parents, Ann Dunham
Northwest, Washington, D.C., location.location.contains, Foggy Bottom
President Barack Obama: The Man and His Journey, film.film.language, English Language
Barack Obama, common.topic.notable_types, US President
Barack Obama, base.popstra.organization.supporter, m.0652fz5
Northwest, Washington, D.C., common.topic.image, DC satellite image
Barack Obama, base.popstra.organization.supporter, m.064fnt0
Barack Obama, Sr., people.person.children, George Obama
Barack Obama, base.popstra.celebrity.friendship, m.065pfvf
Northwest, Washington, D.C., location.location.contains, The Hamilton
Northwest, Washington, D.C., location.location.contains, Embassy of Greece, Washington, D.C.
United States of America, location.location.containedby, White House
Northwest, Washington, D.C., location.location.contains, Walde-Carter House
m.065pnvm, base.popstra.friendship.participant, Barack Obama
Barack Obama, Sr., people.person.profession, Politician
Barack Obama, people.measured_person.sizes, m.0_xk37c
Barack Obama, base.popstra.celebrity.vacations_in, m.063wq3b
Northwest, Washington, D.C., location.location.contains, Charles Sumner School
Yes We Can: A Biography of President Barack Obama, book.written_work.subjects, United States of America
LeDroit Park, location.location.containedby, Northwest, Washington, D.C.
Northwest, Washington, D.C., location.location.contains, Charles Evans Hughes House
Mark Okoth Obama Ndesandjo, people.person.parents, Barack Obama, Sr.
Barack Obama, people.person.education, m.0nbyhqc
Barack Obama in His Own Words, common.topic.notable_for, g.1258yx_5g
Barack Obama, people.person.education, m.012l94sv
Barack Obama, people.person.ethnicity, Kenyan American
m.0ccfkl4, people.place_lived.person, Barack Obama
President's Office, George Washington University, location.location.containedby, Northwest, Washington, D.C.
Family of Barack Obama, people.family.members, Barack Obama
Barack Obama, common.topic.notable_for, g.1258j10lr
Northwest, Washington, D.C., common.topic.notable_for, g.125cdp1yt
Barack Obama, base.popstra.organization.supporter, m.06505l2
Barack Obama: People's President, film.film.country, United States of America
Ann Dunham, people.person.children, Barack Obama
m.0jk24sm, location.mailing_address.citytown, Northwest, Washington, D.C.
Family of Barack Obama, common.topic.webpage, m.0b48wwv
Legacy, visual_art.artwork.art_subject, Barack Obama
Barack Obama, freebase.valuenotation.is_reviewed, Height
Barack Obama, people.person.education, m.02nqgmw
Barack Obama, people.person.quotations, Just give it a try
Barack Obama, architecture.building_occupant.buildings_occupied, m.0dfzl4x
Barack Obama, common.image.appears_in_topic_gallery, Barack Obama
Northwest, Washington, D.C., location.location.contains, John J. Earley Office and Studio
Barack Obama, government.politician.party, m.03gjhww
Barack Obama, common.topic.image, Official portrait of Barack Obama
George Obama, people.person.parents, Barack Obama, Sr.
Barack H. Obama: The Unauthorized Biography, common.topic.notable_for, g.125f8s1ny
Oscar W. Underwood House, location.location.containedby, Northwest, Washington, D.C.
Northwest, Washington, D.C., location.location.contains, Adams Morgan
Barack Obama, common.image.size, m.0klz8m
Barack Obama, base.litcentral.named_person.individual_names, m.07qvn18
Northwest, Washington, D.C., location.location.contains, Castle Gatehouse, Washington Aqueduct
Northwest, Washington, D.C., location.location.contains, St. Mary's Episcopal Church
Family of Barack Obama, common.topic.article, m.06_wyyv
Barack Obama, book.book_subject.works, Yes We Can: A Biography of President Barack Obama
Northwest, Washington, D.C., location.location.time_zones, Eastern Time Zone
Barack Obama Extends Historical Legacy \"Astride the Promise of Change\", book.written_work.subjects, Contemporary history
m.0w63f9q, organization.leadership.person, Barack Obama
Brad Pfaff, common.topic.image, Official portrait of Barack Obama
President Barack Obama and the Message Beyond the Photograph, common.topic.subjects, Journalism
Barack Obama, Sr., people.person.religion, Islam
Barack Obama, people.person.profession, Author
Barack Obama, Sr., people.person.children, Abo Obama
Barack Obama, broadcast.producer.location, Washington, D.C.
Northwest, Washington, D.C., location.location.contains, Greater Fourteenth Street Historic District
United States presidential election, 2008, base.culturalevent.event.entity_involved, Barack Obama
Barack Obama in comics, common.topic.article, m.05f34xx
Barack Obama, people.person.nationality, United States of America
Northeast Washington, D.C., common.topic.image, DC satellite image
Family of Barack Obama, common.topic.webpage, m.0b49520
m.07qvn18, base.litcentral.person_full_name.person_topic, Barack Obama
Northwest, Washington, D.C., location.location.contains, Margaret Wetzel House
Barack Obama, common.topic.notable_for, g.125920_xt
Barack Obama, base.popstra.celebrity.friendship, m.063wnrl
Friendship Heights, location.location.containedby, Northwest, Washington, D.C.
Northwest, Washington, D.C., base.biblioness.bibs_location.city, Washington, D.C.
Northwest, Washington, D.C., location.location.contains, Tenleytown
Barack Obama, people.person.ethnicity, English American
Barack Obama 2009 presidential inauguration, base.schemastaging.context_name.pronunciation, m.01315gcz
Barack Obama, Sr., people.person.children, David Ndesandjo
Barack Obama, architecture.occupancy.occupant, m.0dfzl4x
Barack Obama, Sr., people.person.children, Bernard Obama
Barack Obama, people.person.quotations, My job is not to represent Washington to you, but to represent you to Washington.
Barack Obama in His Own Words, book.book_edition.isbn, 9780786720576
Barack Obama, people.person.places_lived, m.03xdtyc
Northwest, Washington, D.C., location.location.contains, Bloomingdale
Barack Obama, people.person.children, Malia Ann Obama
Yes We Can: A Biography of President Barack Obama, common.topic.notable_for, g.125brs5d9
Barack Obama, common.topic.subject_of, President Barack Obama and the Message Beyond the Photograph
Northwest, Washington, D.C., location.location.contains, Dupont Circle
Northwest, Washington, D.C., location.location.contains, Pierce Springhouse and Barn
Barack Obama, government.political_appointer.appointees, m.010g2c43
Official portrait of Barack Obama, common.image.appears_in_topic_gallery, Multiracial American
m.02nqgqh, business.employment_tenure.person, Barack Obama
Barack Obama, symbols.name_source.namesakes, Obamadon
Barack Obama, people.person.education, m.012m11bj
U Street, location.location.containedby, Northwest, Washington, D.C.
Barack Obama, people.person.sibling_s, m.0n4sqkk
Barack Obama 2009 presidential inauguration, base.culturalevent.event.entity_involved, John Paul Stevens
Barack Obama, people.person.education, m.02nqgpk
The Obama Nation, book.written_work.subjects, Barack Obama
British Ambassador's residence in Washington, D.C., location.location.containedby, Northwest, Washington, D.C.
Family of Barack Obama, people.family.members, Malia Ann Obama
Barack Obama Senate Portrait, common.image.size, m.02b54jd
m.03xdtyc, people.place_lived.person, Barack Obama
Family of Barack Obama, common.topic.notable_types, Family
Northwest, Washington, D.C., location.location.contains, Thomas T. Gaff House
Yes We Can: A Biography of President Barack Obama, common.topic.article, m.064d40l
Barack Obama 2009 presidential inauguration, common.topic.article, m.057l6l_
m.03xdty5, people.place_lived.person, Barack Obama
Hilltop Manor, location.location.containedby, Northwest, Washington, D.C.
m.0b48wwv, common.webpage.topic, Family of Barack Obama
Northwest, Washington, D.C., location.location.contains, George M. Barker Company Warehouse
Barack Obama, base.popstra.celebrity.friendship, m.063wnr6
Barack Obama, common.topic.image, Barack Obama
Barack H. Obama: The Unauthorized Biography, book.written_work.author, Webster Tarpley
Barack Obama, base.popstra.organization.supporter, m.064shtq
Washington, D.C., location.location.containedby, White House
Webster Tarpley, book.author.works_written, Barack H. Obama: The Unauthorized Biography
Northwest, Washington, D.C., location.location.contains, United States Tax Court Building
Barack Obama, base.popstra.celebrity.friendship, m.063s48m
President Barack Obama and the Message Beyond the Photograph, common.topic.subjects, Barack Obama
m.063wnrl, base.popstra.friendship.participant, Barack Obama
Barack Obama, base.popstra.celebrity.vacations_in, m.063wq3l
Barack Obama 2009 presidential inauguration, common.topic.notable_for, g.1259p3566
Family of Barack Obama, people.family.members, Michelle Obama
Barack Obama, common.topic.article, m.02wh0cm
Official portrait of Barack Obama, common.image.appears_in_topic_gallery, President of the United States
m.065pj13, base.popstra.friendship.participant, Barack Obama
Official portrait of Barack Obama, common.image.appears_in_topic_gallery, Maryland Democratic primary, 2008
Barack Obama, people.family_member.family, Family of Barack Obama
m.02nqgq1, business.employment_tenure.person, Barack Obama
Georgetown, location.location.containedby, Northwest, Washington, D.C.
Columbia Heights, location.location.containedby, Northwest, Washington, D.C.
Northeast Washington, D.C., location.location.containedby, Washington, D.C.
1925 F Street Club, location.location.containedby, Northwest, Washington, D.C.
Northwest, Washington, D.C., location.location.contains, Samuel and Harriet Burrows House
Northwest, Washington, D.C., location.location.contains, Jesse Reno School
Barack Obama, people.person.gender, Male
Yes We Can: A Biography of President Barack Obama, book.book.genre, Biography
Barack Obama, freebase.valuenotation.is_reviewed, Country of nationality
Northwest, Washington, D.C., location.location.people_born_here, Cruz deWilde
m.09qggj9, award.ranking.item, Barack Obama
Barack Obama, people.person.children, Natasha Obama
Family of Barack Obama, common.topic.webpage, m.0b497ny
Myrene Apartment Building, location.location.containedby, Northwest, Washington, D.C.
Barack Obama in His Own Words, common.topic.notable_types, Book Edition
m.02nqgy7, business.employment_tenure.person, Barack Obama
Barack Obama Academy, location.location.geolocation, m.012270h6
Barack Obama, government.political_appointer.appointees, m.010g2w70
Northwest, Washington, D.C., location.location.contains, Congressional Club
Barack Obama, common.topic.article, m.02mjn1
President Barack Obama and the Message Beyond the Photograph, book.written_work.subjects, Contemporary history
Barack Obama, people.person.education, m.02nqgn2
French ambassador's residence in Washington, D.C., location.location.containedby, Northwest, Washington, D.C.
Barack Obama, base.firsts.first.achievements, m.04wrwjv
Northwest, Washington, D.C., location.location.contains, Elliott Coues House
Yes We Can: A Biography of President Barack Obama, book.written_work.subjects, History of the United States
President Barack Obama and the Message Beyond the Photograph, common.topic.subjects, Social Networks
Barack Obama, people.person.profession, Lawyer
Northwest, Washington, D.C., location.location.contains, L. Ron Hubbard House
m.065pk99, base.popstra.friendship.participant, Barack Obama
Barack Obama, internet.blogger.blog, BarackObama
Barack Obama, government.political_appointer.appointees, m.05g438r
Barack Obama, people.person.employment_history, m.02nqgy7
Barack Obama, freebase.valuenotation.is_reviewed, Parents
Northwest, Washington, D.C., location.location.contains, N. Webster Chappell House
Barack Obama, people.person.sibling_s, m.0kv53ff
Yes We Can: A Biography of President Barack Obama, book.book.editions, Yes We Can: A Biography of President Barack Obama
Northwest, Washington, D.C., location.location.contains, Administration Building, Carnegie Institution of Washington
Barack Obama, people.person.education, m.012m4x3m
Barack Obama, people.person.ethnicity, Multiracial American
Barack Obama, people.person.sibling_s, m.0kv53fr
Multiracial American, common.topic.image, Official portrait of Barack Obama
Barack Obama, people.person.places_lived, m.03xdty5
Barack Obama, Sr., symbols.name_source.namesakes, Barack Obama
President Barack Obama and the Message Beyond the Photograph, common.topic.subjects, Twitter
Northwest, Washington, D.C., base.biblioness.bibs_location.city, Washington, D.C.
Barack Obama, Sr., people.person.children, Mark Okoth Obama Ndesandjo
Family of Barack Obama, base.presidentialpets.first_family.pets, Bo
Barack Obama, people.person.sibling_s, m.0n4sqh8
Embassy of People's Republic of China in Washington, D.C., location.location.containedby, Northwest, Washington, D.C.
Barack Obama, book.book_subject.works, Dreams from My Father
Northwest, Washington, D.C., location.location.contains, The Palisades
Northwest, Washington, D.C., location.location.contains, Embassy of Norway in Washington, D.C.
Barack H. Obama: The Unauthorized Biography, common.topic.notable_types, Book
Greater Fourteenth Street Historic District, location.location.containedby, Northwest, Washington, D.C.
Gladstone and Hawarden Apartment Buildings, location.location.containedby, Northwest, Washington, D.C.
m.012m6w18, education.education.student, Barack Obama
President Barack Obama and the Message Beyond the Photograph, common.topic.subjects, Photography
Northwest, Washington, D.C., location.location.containedby, Washington, D.C.
Northwest, Washington, D.C., location.location.contains, U Street
Barack Obama: People's President, film.film.country, South Africa
The Palisades, location.location.containedby, Northwest, Washington, D.C.
m.02nqgsc, business.employment_tenure.person, Barack Obama
Barack Obama, people.person.sibling_s, m.0n4sqk2
Barack Obama, people.person.profession, Law professor
Barack Obama in His Own Words, common.topic.notable_types, Book
Barack Obama, government.political_appointer.appointees, m.052m8b1
Barack Obama, common.topic.article, m.09s453y
Northwest, Washington, D.C., location.location.contains, British Ambassador's residence in Washington, D.C.
Yes We Can: A Biography of President Barack Obama, common.topic.image, barack.jpg
Barack Obama, government.political_appointer.appointees, m.0118nrhq
Barack Obama, Sr., people.person.children, Malik Abongo Obama
Northwest, Washington, D.C., location.location.contains, W. B. Hibbs and Company Building
m.0b497ny, common.webpage.topic, Family of Barack Obama
Barack Obama, people.person.sibling_s, m.0n4sql0
Barack Obama, book.book_subject.works, Barack H. Obama: The Unauthorized Biography
Barack Obama, Sr., people.person.gender, Male
Barack Obama, base.popstra.celebrity.supporter, m.063wq59
Barack Obama Senate Portrait, common.image.appears_in_topic_gallery, Current heads of state
Northwest, Washington, D.C., location.location.contains, Georgetown
Wale, people.person.place_of_birth, Northwest, Washington, D.C.
m.0b6rs3n, common.webpage.topic, Barack Obama 2009 presidential inauguration
m.065pfvf, base.popstra.friendship.participant, Barack Obama
Barack H. Obama: The Unauthorized Biography, book.written_work.author, Jos. Azar
Barack Obama, people.person.education, m.012m6w18
Barack Obama, base.popstra.celebrity.religion, m.063wq5t
President of the United States, common.topic.image, Official portrait of Barack Obama
Congressional Club, location.location.containedby, Northwest, Washington, D.C.
Barack Obama, people.person.places_lived, m.0ccfkl4
Contemporary history, common.topic.subject_of, President Barack Obama and the Message Beyond the Photograph
Northwest, Washington, D.C., location.location.contains, Hilltop Manor
Barack Obama, people.person.employment_history, m.02nqgq1
David Ndesandjo, people.person.parents, Barack Obama, Sr.
Barack Obama, people.person.quotations, Yes we can!
Northwest, Washington, D.C., location.location.contains, Columbia Heights
Barack Obama, government.us_president.vice_president, Joe Biden
Charles Evans Hughes House, location.location.containedby, Northwest, Washington, D.C.
Bo, base.presidentialpets.white_house_pet.member_of, Family of Barack Obama
Barack Obama Extends Historical Legacy \"Astride the Promise of Change\", book.written_work.subjects, American History
N. Webster Chappell House, location.location.containedby, Northwest, Washington, D.C.
m.05gmrc3, base.firsts.first_achievement.first, Barack Obama
Barack Obama, people.person.places_lived, m.04s_x47
Northwest, Washington, D.C., location.location.contains, Montrose Park
Northwest, Washington, D.C., location.location.contains, Embassy of Libya in Washington, D.C.
Barack Obama, Sr., people.person.spouse_s, m.040fvqp
Walde-Carter House, location.location.containedby, Northwest, Washington, D.C.
m.07wx5qs, base.newsevents.news_report.event, Barack Obama 2009 presidential inauguration
Barack Obama, people.place_lived.person, m.0ccfkl4
Barack Obama, freebase.valuenotation.is_reviewed, Children
Northwest, Washington, D.C., location.location.contains, President's Office, George Washington University
Barack Obama, government.political_appointer.appointees, m.09knk78
Barack Obama, common.image.appears_in_topic_gallery, bobbi4freedom
Morris House, location.location.containedby, Northwest, Washington, D.C.
m.065pnsk, base.popstra.friendship.participant, Barack Obama
Northwest, Washington, D.C., location.location.contains, Patty Boom Boom
Official portrait of Barack Obama, common.image.size, m.059x9bc
Barack Obama, Sr., people.person.children, Barack Obama
Official portrait of Barack Obama, common.image.appears_in_topic_gallery, Barack Obama
Bernard Obama, people.person.parents, Barack Obama, Sr.
Family of Barack Obama, common.topic.image, Family of Barack Obama
Barack Obama, people.person.religion, Christianity

Answer: White House