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: who became president when jfk was killed? 
Knowledge Triplets: dwight david eisenhower succeeded by john fitzgerald kennedy, base.kwebbase.kwconnection.sentence, He was succeeded by President Kennedy.
Forty ways to look at JFK, book.written_work.subjects, History of the United States
The killing of a president : the complete photographic record of the JFK Assassination, the conspiracy and the cover-up, book.written_work.subjects, Late 20th Century
John F. Kennedy Jr., common.topic.image, Jfk jr.jpg
John F. Kennedy Jr., people.person.profession, Journalist
The wisdom of JFK, book.written_work.part_of_series, The Wisdom of W.E.B. Du Bois
JFK and LBJ, book.written_work.subjects, United States of America
John F. Kennedy Jr., people.deceased_person.cause_of_death, Aviation accident or incident
Lee Harvey Oswald, a young ex-Marine with links to the Soviet Union, was arrested., base.kwebbase.kwsentence.kwtopic, John F. Kennedy
Assassination of John F. Kennedy, book.book_subject.works, The killing of a president : the complete photographic record of the JFK Assassination, the conspiracy and the cover-up
John F. Kennedy 1961 presidential inauguration, common.topic.notable_for, g.1255hgfvk
John F. Kennedy 1961 presidential inauguration, time.event.locations, Washington, D.C.
The Soviets resumed building nuclear weapons, and Kennedy responded by resuming tests and increasing American missile production., base.kwebbase.kwsentence.previous_sentence, In Vienna, in June, 1961, Kennedy had an unproductive meeting with Soviet Prime Minister Krushchev.
John F. Kennedy, book.author.works_written, The humor of JFK
John F. Kennedy Jr., people.person.education, m.09jt204
John F. Kennedy, people.person.education, m.0125tzqv
John F. Kennedy, media_common.dedicatee.dedications, m.04tm7xj
Forty ways to look at JFK, book.written_work.author, Gretchen Rubin
Lee Harvey Oswald, a young ex-Marine with links to the Soviet Union, was arrested., base.kwebbase.kwsentence.contains_connections, john fitzgerald kennedy allegedly assassinated by lee harvey oswald
JFK Remembered: 50 Years Later, film.film.genre, Biographical film
Assassination of John F. Kennedy, common.topic.article, m.01q1wn
Zapruder film, film.film.subjects, Assassination of John F. Kennedy
John F. Kennedy, people.person.education, m.0123x2k3
JFK wants to know, book.written_work.author, John F. Kennedy
Assassination of John F. Kennedy, common.topic.notable_types, Event
John F. Kennedy Jr., people.person.sibling_s, m.07ydn0q
John F. Kennedy 1961 presidential inauguration, base.culturalevent.event.entity_involved, John F. Kennedy
john fitzgerald kennedy allegedly assassinated by lee harvey oswald, base.kwebbase.kwconnection.other, Lee Harvey Oswald
John F. Kennedy 1961 presidential inauguration, common.topic.notable_types, Event
John F. Kennedy, base.kwebbase.kwtopic.connections_to, lee harvey oswald allegedly assassinated john fitzgerald kennedy
m.0hn41mj, people.appointment.appointed_by, John F. Kennedy
Gretchen Rubin, book.author.works_written, Forty ways to look at JFK
Assassination of John F. Kennedy, film.film_subject.films, Executive Action
An Unfinished Life: John F. Kennedy, 1917–1963, common.topic.article, m.05c0dpb
dwight david eisenhower succeeded by john fitzgerald kennedy, base.kwebbase.kwconnection.other, John F. Kennedy
Assassination of John F. Kennedy, book.book_subject.works, 11/22/63
The killing of a president : the complete photographic record of the JFK Assassination, the conspiracy and the cover-up, common.topic.notable_for, g.125556p73
John F. Kennedy, people.appointer.appointment_made, m.0hn41pp
John F. Kennedy, people.person.education, m.035j_7r
Assassination of John F. Kennedy, time.event.locations, Dallas
John F. Kennedy, common.topic.webpage, m.0b46sw8
John F. Kennedy, government.political_appointer.appointees, m.09tbpzc
John F. Kennedy, book.author.works_written, The uncommon wisdom of JFK
The circumstances of Kennedy's death led to a multitude of theories about who was responsible for his death., base.kwebbase.kwsentence.previous_sentence, Two days later, Oswald was shot and killed while in police custody by Jack Ruby, a nightclub owner.
Assassination of John F. Kennedy, book.book_subject.works, Camelot and the Cultural Revolution: How the Assassination of John F. Kennedy Shattered American Liberalism
John F. Kennedy, people.person.sibling_s, m.03lfpfx
An Unfinished Life: John F. Kennedy, 1917–1963, book.written_work.subjects, History of the United States
John F. Kennedy Jr., people.person.education, m.02wpc0x
john fitzgerald kennedy succeeded dwight david eisenhower, base.kwebbase.kwconnection.relation, succeeded
Legacy of a president, book.written_work.author, John F. Kennedy
The wisdom of JFK, book.written_work.author, John F. Kennedy
The JFK assassination, book.written_work.subjects, Assassination of John F. Kennedy
John F. Kennedy Jr., people.person.sibling_s, m.07ydm_0
John F. Kennedy 1961 presidential inauguration, base.culturalevent.event.entity_involved, Sam Rayburn
John F. Kennedy, people.deceased_person.place_of_burial, Arlington National Cemetery
He was succeeded by President Kennedy., base.kwebbase.kwsentence.contains_connections, dwight david eisenhower succeeded by john fitzgerald kennedy
John F. Kennedy 1961 presidential inauguration, common.topic.article, m.05c1sfm
lyndon baines johnson vice president to john fitzgerald kennedy, base.kwebbase.kwconnection.subject, Lyndon B. Johnson
Lee Harvey Oswald, a young ex-Marine with links to the Soviet Union, was arrested., base.kwebbase.kwsentence.previous_sentence, On November 22, 1963, Kennedy was assassinated as he and his wife drove through Dallas, Texas.
John F. Kennedy, base.kwebbase.kwtopic.connections_to, robert lee frost read at inauguration of john fitzgerald kennedy
john fitzgerald kennedy allegedly assassinated by lee harvey oswald, base.kwebbase.kwconnection.sentence, Lee Harvey Oswald, a young ex-Marine with links to the Soviet Union, was arrested.
On November 22, 1963, Kennedy was assassinated as he and his wife drove through Dallas, Texas., base.kwebbase.kwsentence.next_sentence, Lee Harvey Oswald, a young ex-Marine with links to the Soviet Union, was arrested.
Assassination of John F. Kennedy, film.film_subject.films, JFK
JFK wants to know, common.topic.notable_for, g.1254_81q8
John F. Kennedy, base.kwebbase.kwtopic.has_sentences, On November 22, 1963, Kennedy was assassinated as he and his wife drove through Dallas, Texas.
m.0yl7g7g, film.personal_film_appearance.film, Frame 313: The JFK Assassination Theories
He was succeeded by President Kennedy., base.kwebbase.kwsentence.kwtopic, Dwight D. Eisenhower
John F. Kennedy, people.person.sibling_s, m.03hs9fc
John F. Kennedy, people.person.education, m.04kr2n0
John F. Kennedy Presidential Library and Museum, architecture.museum.director, Thomas J. Putnam
JFK, film.film.country, United States of America
Lee Harvey Oswald, base.kwebbase.kwtopic.connections_from, lee harvey oswald allegedly assassinated john fitzgerald kennedy
John F. Kennedy, common.topic.article, m.0d3k1g
In 1960, Kennedy was nominated Democratic presidential candidate and Johnson surprised many supporters by agreeing to become Kennedy's running mate., base.kwebbase.kwsentence.contains_connections, lyndon baines johnson vice president to john fitzgerald kennedy
Zapruder film, base.newsevents.footage.videotaped_event, Assassination of John F. Kennedy
JFK Remembered: 50 Years Later, film.film.country, United States of America
John F. Kennedy Eternal Flame, common.topic.image, JFK grave
John F. Kennedy, government.political_appointer.appointees, m.04kqmw_
The uncommon wisdom of JFK, book.written_work.author, John F. Kennedy
Lyndon B. Johnson, base.kwebbase.kwtopic.has_sentences, In 1960, Kennedy was nominated Democratic presidential candidate and Johnson surprised many supporters by agreeing to become Kennedy's running mate.
Two days later, Oswald was shot and killed while in police custody by Jack Ruby, a nightclub owner., base.kwebbase.kwsentence.next_sentence, The circumstances of Kennedy's death led to a multitude of theories about who was responsible for his death.
The JFK assassination, common.topic.notable_for, g.125dzdm73
Kennedy family, people.family.members, John Schlossberg
Robert F. Kennedy, people.deceased_person.cause_of_death, Assassination
John F. Kennedy 1961 presidential inauguration, time.event.locations, United States Capitol
John F. Kennedy, base.kwebbase.kwtopic.connections_to, lyndon baines johnson vice president to john fitzgerald kennedy
John F. Kennedy, freebase.valuenotation.is_reviewed, Date of death
andre malraux a fan was john fitzgerald kennedy, base.kwebbase.kwconnection.sentence, Malraux's work, especially Man's Fate and The Voices of Silence, was admired by US President Kennedy.
John F. Kennedy, book.book_subject.works, The Making of the President, 1960
In Vienna, in June, 1961, Kennedy had an unproductive meeting with Soviet Prime Minister Krushchev., base.kwebbase.kwsentence.kwtopic, John F. Kennedy
JFK and LBJ, book.written_work.author, Tom Wicker
John F. Kennedy, book.book_subject.works, The Kennedy Assassination Tapes
JFK and LBJ, book.written_work.subjects, John F. Kennedy
The JFK assassination, book.written_work.subjects, Late 20th Century
John F. Kennedy, people.person.education, m.0s94p54
John F. Kennedy, base.crime.crime_victim.crime_type, Assassination
John F. Kennedy Jr., common.topic.notable_for, g.1255l5v81
John F. Kennedy 1961 presidential inauguration, base.culturalevent.event.entity_involved, Lyndon B. Johnson
John F. Kennedy, government.us_president.vice_president, Lyndon B. Johnson
John F. Kennedy, base.crime.crime_victim.crime, Assassination of John F. Kennedy
John F. Kennedy, common.topic.webpage, m.0b46nf9
John F. Kennedy, government.political_appointer.appointees, m.04tn7sw
John F. Kennedy Jr., common.topic.image, JFKJr2
Forty ways to look at JFK, book.written_work.subjects, United States of America
m.0hn41pp, people.appointment.appointed_by, John F. Kennedy
The Kennedy Assassination Tapes, book.written_work.subjects, Assassination of John F. Kennedy
Robert J. Groden, book.author.works_written, The killing of a president : the complete photographic record of the JFK Assassination, the conspiracy and the cover-up
John F. Kennedy, people.deceased_person.place_of_death, Dallas
John F. Kennedy Jr., people.person.spouse_s, m.0j4kv_s
John F. Kennedy, book.author.works_written, The wisdom of JFK
An Unfinished Life: John F. Kennedy, 1917–1963, common.topic.notable_for, g.125689ffw
John F. Kennedy, government.political_appointer.appointees, m.059mjtc
Assassination of John F. Kennedy, common.topic.notable_for, g.1256nvkz9
John F. Kennedy, people.person.profession, Writer
John F. Kennedy, people.person.education, m.0125s3s2
The killing of a president : the complete photographic record of the JFK Assassination, the conspiracy and the cover-up, book.written_work.subjects, John F. Kennedy
John F. Kennedy Jr., people.person.nationality, United States of America
JFK, film.film.subjects, John F. Kennedy
Assassination of John F. Kennedy, book.book_subject.works, Live by the sword
Assassination of John F. Kennedy, book.book_subject.works, Mortal Error: The Shot That Killed JFK
An Unfinished Life: John F. Kennedy, 1917–1963, book.written_work.author, Robert Dallek
John F. Kennedy, people.person.sibling_s, m.03lfpt2
The killing of a president : the complete photographic record of the JFK Assassination, the conspiracy and the cover-up, book.written_work.subjects, United States of America
In Vienna, in June, 1961, Kennedy had an unproductive meeting with Soviet Prime Minister Krushchev., base.kwebbase.kwsentence.next_sentence, The Soviets resumed building nuclear weapons, and Kennedy responded by resuming tests and increasing American missile production.
On November 22, 1963, Kennedy was assassinated as he and his wife drove through Dallas, Texas., base.kwebbase.kwsentence.kwtopic, John F. Kennedy
John F. Kennedy 1961 presidential inauguration, base.inaugurations.inauguration.president, John F. Kennedy
Assassination of John F. Kennedy, film.film_subject.films, Zapruder film
lee harvey oswald allegedly assassinated john fitzgerald kennedy, base.kwebbase.kwconnection.subject, Lee Harvey Oswald
Four Days in November, book.written_work.subjects, Assassination of John F. Kennedy
United States Agency for International Development, organization.organization.founders, John F. Kennedy
John F. Kennedy Jr., people.person.education, m.04hx603
Assassination of John F. Kennedy, book.book_subject.works, The Secret Team
John F. Kennedy, base.kwebbase.kwtopic.has_sentences, The circumstances of Kennedy's death led to a multitude of theories about who was responsible for his death.
Dwight D. Eisenhower, base.kwebbase.kwtopic.has_sentences, He was succeeded by President Kennedy.
The killing of a president : the complete photographic record of the JFK Assassination, the conspiracy and the cover-up, book.written_work.subjects, Assassination of John F. Kennedy
John F. Kennedy, people.person.sibling_s, m.03lfptc
John F. Kennedy, media_common.dedicatee.dedications, m.04szj3z
Assassination of John F. Kennedy, book.book_subject.works, Reclaiming History: The Assassination of President John F. Kennedy
John F. Kennedy, government.political_appointer.appointees, m.03hs9g8
John F. Kennedy, government.us_president.vice_president, Lyndon B. Johnson
lee harvey oswald allegedly assassinated john fitzgerald kennedy, base.kwebbase.kwconnection.other, John F. Kennedy
Two days later, Oswald was shot and killed while in police custody by Jack Ruby, a nightclub owner., base.kwebbase.kwsentence.kwtopic, John F. Kennedy
John F. Kennedy, common.topic.image, JFK portrait
On November 22, 1963, Kennedy was assassinated as he and his wife drove through Dallas, Texas., base.kwebbase.kwsentence.dates, m.0c0zkjd
john fitzgerald kennedy allegedly assassinated by lee harvey oswald, base.kwebbase.kwconnection.relation, allegedly assassinated by
John F. Kennedy, book.author.works_written, JFK wants to know
John F. Kennedy, book.book_subject.works, Forty ways to look at JFK
The circumstances of Kennedy's death led to a multitude of theories about who was responsible for his death., base.kwebbase.kwsentence.next_sentence, None of the theories has been proved.
In Vienna, in June, 1961, Kennedy had an unproductive meeting with Soviet Prime Minister Krushchev., base.kwebbase.kwsentence.dates, m.0c0zkdz
John F. Kennedy, freebase.valuenotation.is_reviewed, Place of death
John F. Kennedy, common.topic.article, m.05bsz7m
The killing of a president : the complete photographic record of the JFK Assassination, the conspiracy and the cover-up, book.written_work.subjects, History of the United States
JFK Remembered: 50 Years Later, common.topic.notable_types, Film
John F. Kennedy, people.person.education, m.0127vzjh
The Making of the President, 1960, book.written_work.subjects, John F. Kennedy
John F. Kennedy, film.film_subject.films, JFK
Assassination of John F. Kennedy, common.topic.subject_of, Text and Meaning in Robert Frost's \"Dedication: For John F. Kennedy\"
Federal Executive Boards, organization.organization.founders, John F. Kennedy
John F. Kennedy, book.book_subject.works, JFK in Ireland
Assassination of John F. Kennedy, common.topic.image, JFK limousine
john fitzgerald kennedy succeeded dwight david eisenhower, base.kwebbase.kwconnection.subject, John F. Kennedy
Assassination of John F. Kennedy, book.book_subject.works, Gemstone File
Text and Meaning in Robert Frost's \"Dedication: For John F. Kennedy\", common.topic.subjects, 50th Anniversary of the Assassination of John F. Kennedy
John Fitzgerald Kennedy Memorial, common.topic.image, Jfk memorial dallas texas
John F. Kennedy Jr., people.person.profession, Writer
John F. Kennedy, government.political_appointer.appointees, m.09k8772
John Fitzgerald Kennedy Memorial, common.topic.image, JFK Memorial Dallas
The killing of a president : the complete photographic record of the JFK Assassination, the conspiracy and the cover-up, common.topic.notable_types, Book
Frame 313: The JFK Assassination Theories, common.topic.notable_types, Film
charles andre joseph marie de gaulle difficulties with john fitzgerald kennedy, base.kwebbase.kwconnection.sentence, He was hostile to President Kennedy.
dwight david eisenhower succeeded by john fitzgerald kennedy, base.kwebbase.kwconnection.subject, Dwight D. Eisenhower
Assassination of John F. Kennedy, book.book_subject.works, The Kennedy Assassination Tapes
John F. Kennedy, government.political_appointer.appointees, m.09rg1gn
“American Adulterer” Author Jed Mercurio on JFK’s Personal Life, Sexual Affairs, common.resource.annotations, m.0b48xzc
John F. Kennedy, people.person.education, m.0125n7tg
In 1960, Kennedy was nominated Democratic presidential candidate and Johnson surprised many supporters by agreeing to become Kennedy's running mate., base.kwebbase.kwsentence.kwtopic, Lyndon B. Johnson
John F. Kennedy, common.topic.webpage, m.09x5n2n
william averell harriman appointed by john fitzgerald kennedy, base.kwebbase.kwconnection.other, John F. Kennedy
JFK, film.film.subjects, Assassination of John F. Kennedy
Assassination of John F. Kennedy, symbols.namesake.named_after, John F. Kennedy
John F. Kennedy, book.book_subject.works, The killing of a president : the complete photographic record of the JFK Assassination, the conspiracy and the cover-up
Assassination of John F. Kennedy, book.book_subject.works, Blood, Money & Power
John F. Kennedy, common.topic.article, m.0230ccb
John F. Kennedy, people.person.sibling_s, m.03lfqsd
John F. Kennedy, freebase.valuenotation.is_reviewed, President number
He was re-elected in 1948 and 1950., base.kwebbase.kwsentence.kwtopic, John F. Kennedy
John F. Kennedy, common.topic.notable_types, US President
Assassination of John F. Kennedy, book.book_subject.works, Rush to Judgment
John F. Kennedy 1961 presidential inauguration, common.topic.image, Jfk inauguration
Assassination of John F. Kennedy, base.culturalevent.event.entity_involved, Lee Harvey Oswald
John F. Kennedy, people.person.education, m.03lll60
John F. Kennedy Jr., people.person.education, m.02wp8yh
john fitzgerald kennedy disliked charles andre joseph marie de gaulle, base.kwebbase.kwconnection.subject, John F. Kennedy
John F. Kennedy Jr., people.person.education, m.04hd96k
Assassination of John F. Kennedy, book.book_subject.works, Oswald's Tale
m.0b46sw8, common.webpage.topic, John F. Kennedy
Assassination of John F. Kennedy, film.film_subject.films, Films from the Sixth Floor
John F. Kennedy, common.topic.webpage, m.0b48xzc
JFK wants to know, book.book.editions, JFK wants to know: memos from the President's office, 1961-1963
John F. Kennedy, people.appointer.appointment_made, m.0hn41mj
John F. Kennedy, media_common.dedicatee.dedications, m.052kjl4
Assassination of John F. Kennedy, book.book_subject.musical_compositions_about_this_topic, Jackie’s Strength
The humor of JFK, book.written_work.author, John F. Kennedy
m.09y460p, common.webpage.topic, John F. Kennedy
Assassination of John F. Kennedy, base.schemastaging.context_name.pronunciation, g.125_mjknt
Robert F. Kennedy, freebase.valuenotation.is_reviewed, Date of death
Assassination of John F. Kennedy, book.book_subject.works, The JFK assassination
JFK in Ireland, book.written_work.subjects, John F. Kennedy
john fitzgerald kennedy succeeded dwight david eisenhower, base.kwebbase.kwconnection.other, Dwight D. Eisenhower
The JFK assassination, common.topic.notable_types, Book
Assassination of John F. Kennedy, book.book_subject.works, Regicide: The Official Assassination of John F. Kennedy
Assassination of John F. Kennedy, book.book_subject.works, The Death of a President
John F. Kennedy, government.political_appointer.appointees, m.04kqmww
Assassination of John F. Kennedy, base.newsevents.videotaped_event.footage, Zapruder film
The killing of a president : the complete photographic record of the JFK Assassination, the conspiracy and the cover-up, book.written_work.author, Robert J. Groden
Text and Meaning in Robert Frost's \"Dedication: For John F. Kennedy\", common.topic.subjects, Assassination of John F. Kennedy
lyndon baines johnson vice president to john fitzgerald kennedy, base.kwebbase.kwconnection.other, John F. Kennedy
The JFK assassination, book.written_work.subjects, History of the United States
Assassination of John F. Kennedy, book.book_subject.works, Praise From a Future Generation: The Assassination of John F. Kennedy and the First Generation Critics of the Warren Report
Assassination of John F. Kennedy, time.event.locations, Dealey Plaza
JFK and LBJ, book.written_work.subjects, History of the United States
John F. Kennedy, base.kwebbase.kwtopic.connections_to, william averell harriman appointed by john fitzgerald kennedy
Lyndon B. Johnson, government.us_vice_president.to_president, John F. Kennedy
JFK portrait, common.image.appears_in_topic_gallery, John F. Kennedy
John F. Kennedy Jr., people.person.sibling_s, m.0pbycd1
Films from the Sixth Floor, film.film.subjects, Assassination of John F. Kennedy
JFK Remembered: 50 Years Later, film.film.language, English Language
lyndon baines johnson vice president to john fitzgerald kennedy, base.kwebbase.kwconnection.sentence, In 1960, Kennedy was nominated Democratic presidential candidate and Johnson surprised many supporters by agreeing to become Kennedy's running mate.
The faith of JFK, book.written_work.author, John F. Kennedy
John F. Kennedy Jr., people.person.profession, Lawyer
John F. Kennedy, base.kwebbase.kwtopic.has_sentences, He was re-elected in 1948 and 1950.
John F. Kennedy 1961 presidential inauguration, base.culturalevent.event.entity_involved, Earl Warren
John F. Kennedy, base.kwebbase.kwtopic.connections_from, john fitzgerald kennedy allegedly assassinated by lee harvey oswald
John F. Kennedy, book.book_subject.works, The JFK assassination
lee harvey oswald allegedly assassinated john fitzgerald kennedy, base.kwebbase.kwconnection.relation, allegedly assassinated
Assassination of John F. Kennedy, book.book_subject.works, Plausible Denial
Carl Oglesby, book.author.works_written, The JFK assassination
m.04ywx40, common.webpage.topic, John F. Kennedy Presidential Library and Museum
John F. Kennedy, symbols.name_source.namesakes, Assassination of John F. Kennedy
Assassination of John F. Kennedy, base.culturalevent.event.entity_involved, John F. Kennedy
The Kennedy Assassination Tapes, book.written_work.subjects, John F. Kennedy
The JFK assassination, book.written_work.author, Carl Oglesby
dwight david eisenhower succeeded by john fitzgerald kennedy, base.kwebbase.kwconnection.relation, succeeded by
John F. Kennedy Jr., common.topic.article, m.0150ph
John F. Kennedy, people.deceased_person.cause_of_death, Gunshot
Forty ways to look at JFK, book.written_work.subjects, John F. Kennedy
John F. Kennedy, base.kwebbase.kwtopic.has_sentences, Two days later, Oswald was shot and killed while in police custody by Jack Ruby, a nightclub owner.
Frame 313: The JFK Assassination Theories, film.film.personal_appearances, m.0yl7g7g
Assassination of John F. Kennedy, book.book_subject.works, Four Days in November
Dealey Plaza, location.location.events, Assassination of John F. Kennedy
John F. Kennedy, people.person.education, m.0125jfhh
John F. Kennedy Jr., people.person.education, m.04hd96q
The circumstances of Kennedy's death led to a multitude of theories about who was responsible for his death., base.kwebbase.kwsentence.kwtopic, John F. Kennedy
m.0b48xzc, common.webpage.resource, “American Adulterer” Author Jed Mercurio on JFK’s Personal Life, Sexual Affairs
John F. Kennedy Presidential Library and Museum, common.topic.image, JFK library Stitch Crop
John F. Kennedy Jr., common.topic.webpage, m.0b6rpd4
John F. Kennedy, people.person.education, m.0125d08t
John F. Kennedy, people.person.education, m.0127txc2
John F. Kennedy, people.deceased_person.cause_of_death, Assassination
John F. Kennedy Jr., people.person.profession, Businessperson
John F. Kennedy, base.kwebbase.kwtopic.connections_from, john fitzgerald kennedy succeeded dwight david eisenhower
John F. Kennedy, book.book_subject.works, JFK and LBJ
Assassination of John F. Kennedy, common.topic.image, Kennedyb
John F. Kennedy Jr., people.person.profession, Actor
John F. Kennedy, base.kwebbase.kwtopic.has_sentences, In Vienna, in June, 1961, Kennedy had an unproductive meeting with Soviet Prime Minister Krushchev.
John F. Kennedy, government.political_appointer.appointees, m.04lmq_l
Lee Harvey Oswald, base.kwebbase.kwtopic.connections_to, john fitzgerald kennedy allegedly assassinated by lee harvey oswald
John F. Kennedy, people.person.sibling_s, m.03lfq4h
John F. Kennedy, people.person.sibling_s, m.03lfq3_
John F. Kennedy, common.topic.webpage, m.0b6rdfq
john fitzgerald kennedy allegedly assassinated by lee harvey oswald, base.kwebbase.kwconnection.subject, John F. Kennedy
rachel carson influenced john f kennedy, base.kwebbase.kwconnection.sentence, The controversy captured the attention of President John F. Kennedy, who directed his Science Advisory Committee to investigate the matter.
John F. Kennedy, people.person.education, m.04yzw40
Assassination of John F. Kennedy, book.book_subject.works, 16 Questions on the Assassination
John F. Kennedy, common.topic.webpage, m.09y6s4p
John F. Kennedy, government.political_appointer.appointees, m.09k87c_
Charles de Gaulle, base.kwebbase.kwtopic.has_sentences, He was hostile to President Kennedy.
John F. Kennedy, government.politician.party, m.03gjk7n
JFK in Ireland, book.written_work.author, Ryan Tubridy
John F. Kennedy, base.kwebbase.kwtopic.connections_to, dwight david eisenhower succeeded by john fitzgerald kennedy
The JFK assassination, book.written_work.subjects, John F. Kennedy
John Fitzgerald Kennedy National Historic Site, common.topic.image, JFK House
John F. Kennedy, common.topic.webpage, m.0b48tfl
Kennedy was given a state funeral, attended by the leaders of more than 90 nations., base.kwebbase.kwsentence.kwtopic, John F. Kennedy
JFK: BREAKING THE NEWS, film.film.country, United States of America
The killing of a president : the complete photographic record of the JFK Assassination, the conspiracy and the cover-up, book.book.editions, The killing of a president : the complete photographic record of the JFK Assassination, the conspiracy and the cover-up
John F. Kennedy, book.author.works_written, Legacy of a president
Assassination of John F. Kennedy, base.crime.crime.victim_s, John F. Kennedy
John F. Kennedy Jr., people.deceased_person.place_of_death, Atlantic Ocean
The wisdom of JFK, common.topic.notable_for, g.12582gg48
John F. Kennedy, people.person.profession, Author
John F. Kennedy, book.author.works_written, The faith of JFK
John F. Kennedy, freebase.valuenotation.is_reviewed, Cause of death
John F. Kennedy, common.topic.webpage, m.09y460p
John F. Kennedy, government.political_appointer.appointees, m.0669j9b
John F. Kennedy, base.kwebbase.kwtopic.has_sentences, Lee Harvey Oswald, a young ex-Marine with links to the Soviet Union, was arrested.
john fitzgerald kennedy succeeded dwight david eisenhower, base.kwebbase.kwconnection.sentence, The youth and vigor of his staff compared with that of outgoing president Eisenhower,  raised public expectations.
John F. Kennedy, people.person.profession, Politician
The JFK assassination, book.written_work.subjects, United States of America
Live by the sword, book.written_work.subjects, Assassination of John F. Kennedy
JFK Remembered: 50 Years Later, film.film.personal_appearances, m.0wrtwf8

Answer: Lyndon B. Johnson