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 started the presidency earliest and served as president during WWII in the US? 
Knowledge Triplets: President of the United States, book.book_subject.works, Otto Runs for President
John F. Kennedy, freebase.valuenotation.is_reviewed, President number
Władysław Sikorski, military.military_person.participated_in_conflicts, World War II
President of the United States, government.government_office_or_title.office_holders, m.03fx83k
President of the United States, base.ontologies.ontology_class.equivalent_classes, m.0dj2gvv
President of the United States, fictional_universe.character_occupation.characters_with_this_occupation, Abraham Lincoln
President of the United States, people.appointed_role.appointment, m.0c1svhh
Harry S. Truman, military.military_person.participated_in_conflicts, World War I
President of the United States, government.government_office_or_title.office_holders, m.04469xf
Lyndon B. Johnson, common.topic.notable_types, US President
President of the United States, government.government_office_or_title.office_holders, m.03q2h_9
President of the United States, book.book_subject.works, Grace for President
US President, freebase.type_profile.kind, Significant
Tadeusz Bór-Komorowski, military.military_person.participated_in_conflicts, World War II
Presidential Command: Power, Leadership, and the Making of Foreign Policy from Richard Nixon to George W. Bush, common.topic.notable_for, g.125f9cm5z
President of the United States, book.book_subject.works, White House Ghosts: Presidents and Their Speechwriters
Benjamin Harrison, common.topic.notable_types, US President
President of the United States, book.book_subject.works, Presidential Leadership: Rating the Best and the Worst in the White House
m.09ysj6g, common.webpage.topic, President of the United States
Gestapo, organization.organization.founders, Adolf Hitler
World War II, common.topic.webpage, m.09y0608
Theodore Roosevelt, people.person.profession, Politician
Vice President of the United States, fictional_universe.character_occupation.characters_with_this_occupation, Lt. Cmdr. Robby Jackson
James Monroe, common.topic.notable_types, US President
Woodrow Wilson, people.person.profession, Historian
Maurice Gamelin, military.military_person.participated_in_conflicts, World War II
Dwight D. Eisenhower, people.person.nationality, United States of America
John Quincy Adams, common.topic.notable_types, US President
Abraham Lincoln, government.us_president.vice_president, Andrew Johnson
Central Intelligence Agency (CIA), organization.organization.founders, Dwight D. Eisenhower
Central Intelligence Agency (CIA), organization.organization.founders, Harry S. Truman
President of the United States, common.topic.webpage, m.09w6pyk
m.09ynr7x, common.webpage.topic, President of the United States
Vice President of the United States, fictional_universe.character_occupation.characters_with_this_occupation, Vice President Becker
US President, type.type.domain, Government
President of the United States, common.topic.webpage, m.09y9g34
US President, type.type.expected_by, President
Presidential Command: Power, Leadership, and the Making of Foreign Policy from Richard Nixon to George W. Bush, common.topic.image, command.jpg
World War II, event.speech_or_presentation.speech_topic, m.05rln07
Ulysses S. Grant, common.topic.notable_types, US President
George Washington, first President of the United States, common.image.appears_in_topic_gallery, President of the United States
The Reader's Companion to the American Presidency, common.topic.notable_types, Book
President of the United States, freebase.type_profile.equivalent_topic, US President
President of the United States, award.award_presenting_organization.awards_presented, National Medal of Science
Charles Lee, common.topic.image, George Washington, first President of the United States
The Sound of Leadership: Presidential Communication in the Modern Age, book.written_work.subjects, President of the United States
George Washington, common.topic.notable_types, US President
Mackenzie Allen, fictional_universe.fictional_character.occupation, President of the United States
William Howard Taft, common.topic.notable_types, US President
President of the United States, government.government_office_or_title.office_holders, m.03fx817
World War II, common.topic.webpage, m.09w7qyh
m.02h7nns, military.military_command.military_commander, Adolf Hitler
President of the United States, business.employer.employees, m.0whvvj4
Otto Runs for President, book.written_work.subjects, President of the United States
m.09xlnpm, common.webpage.topic, President of the United States
Dwight D. Eisenhower, military.military_commander.military_commands, m.04h_hmh
Gerald Ford, common.topic.notable_types, US President
President of the United States, common.topic.webpage, m.09w6h41
Presidential Command: Power, Leadership, and the Making of Foreign Policy from Richard Nixon to George W. Bush, common.topic.article, m.063t8my
President of the United States, government.government_office_or_title.office_holders, m.02s9flj
Franklin D. Roosevelt, people.person.nationality, United States of America
Theodore Roosevelt, people.person.nationality, United States of America
President of the United States, base.firsts.achievement.firsts, m.04wrx4g
George S. Patton, people.person.nationality, United States of America
m.05rln07, event.speech_or_presentation.speaker_s, Franklin D. Roosevelt
President of the United States, government.government_office_or_title.jurisdiction, United States of America
US President, freebase.type_profile.equivalent_topic, President of the United States
m.04lsvx0, common.webpage.topic, President of the United States
Ronald Reagan, military.military_person.participated_in_conflicts, World War II
Zachary Taylor, government.us_president.vice_president, Millard Fillmore
Mediterranean and Middle East theatre of World War II, base.culturalevent.event.entity_involved, Adolf Hitler
Benito Mussolini, military.military_person.participated_in_conflicts, World War II
Significant, freebase.type_kind.types, US President
John F. Kennedy, military.military_person.participated_in_conflicts, World War II
Ronald Reagan, people.person.nationality, United States of America
Lt. Cmdr. Robby Jackson, fictional_universe.fictional_character.occupation, President of the United States
Millard Fillmore, common.topic.notable_types, US President
m.09w6pyk, common.webpage.topic, President of the United States
William McKinley, common.topic.notable_types, US President
Calvin Coolidge, government.us_vice_president.to_president, Warren G. Harding
John Adams, people.person.nationality, United States of America
President of the United States, base.ontologies.ontology_instance.equivalent_instances, m.07nflbk
George S. Patton, military.military_person.participated_in_conflicts, World War II
m.0b46f7h, common.webpage.topic, President of the United States
The Reader's Companion to the American Presidency, common.topic.notable_for, g.125bp0g1z
President of the United States, government.government_office_or_title.office_holders, m.02hz5r6
Harry S. Truman, people.person.nationality, United States of America
Lyndon B. Johnson, people.person.nationality, United States of America
Charles de Gaulle, military.military_person.participated_in_conflicts, World War II
Flag of the President of the United States, symbols.flag.used_by, m.0j9gyfv
US President, common.topic.article, m.03yy9v6
John Quincy Adams, people.person.nationality, United States of America
m.0hnjbwk, common.webpage.topic, President of the United States
John F. Kennedy, people.person.nationality, United States of America
President of the United States, fictional_universe.character_occupation.characters_with_this_occupation, Mackenzie Allen
President of the United States, government.government_office_or_title.office_holders, m.03fx83v
George H. W. Bush, people.person.nationality, United States of America
President of the United States, base.schemastaging.context_name.pronunciation, g.125_lw0zw
The Reader's Companion to the American Presidency, book.written_work.subjects, President of the United States
Lyndon B. Johnson, government.us_vice_president.to_president, John F. Kennedy
Andrew Jackson, government.us_president.vice_president, Martin Van Buren
President of the United States, government.government_office_or_title.office_holders, m.03q2h_9
President of the United States, government.government_office_or_title.office_holders, m.04466xz
President number, rdf-schema#domain, US President
Gerald Ford, military.military_person.participated_in_conflicts, World War II
World War II, common.topic.webpage, m.09w41xr
m.09y0608, common.webpage.topic, World War II
President Thomas Westwood, fictional_universe.fictional_character.occupation, President of the United States
Charles de Gaulle, military.military_person.participated_in_conflicts, World War I
Dwight D. Eisenhower, military.military_person.participated_in_conflicts, World War I
The Reader's Companion to the American Presidency, book.book.genre, Non-fiction
Franklin D. Roosevelt, people.person.profession, Soldier
President of the United States, book.book_subject.works, The Moral Rhetoric of American Presidents
George Washington, first President of the United States, common.image.appears_in_topic_gallery, George Washington
Presidential Command: Power, Leadership, and the Making of Foreign Policy from Richard Nixon to George W. Bush, book.written_work.author, Peter Rodman
President of the United States, book.book_subject.works, First Off the Tee: Presidential Hackers, Duffers, and Cheaters From Taft to Bush
President of the United States, fictional_universe.character_occupation.characters_with_this_occupation, Conrad Dalton
m.04xdfjz, base.firsts.first_achievement.achievement, President of the United States
President of the United States, government.government_office_or_title.office_holders, m.04469yh
Peter Rodman, book.author.works_written, Presidential Command: Power, Leadership, and the Making of Foreign Policy from Richard Nixon to George W. Bush
World War II, common.topic.webpage, m.09ygg0r
Dwight D. Eisenhower, people.person.profession, Soldier
World War II, common.topic.webpage, m.09wsxxn
m.0c1svhh, people.appointment.appointed_role, President of the United States
m.07nflbk, base.ontologies.ontology_instance_mapping.freebase_topic, President of the United States
Barack Obama, common.topic.notable_types, US President
President of the United States, common.topic.webpage, m.0hnjbwk
President of the United States, base.firsts.achievement.firsts, m.04xdfjz
m.09w6h41, common.webpage.topic, President of the United States
Archibald Wavell, 1st Earl Wavell, military.military_person.participated_in_conflicts, World War II
Theodore Roosevelt, people.person.profession, Historian
George Washington, first President of the United States, common.image.appears_in_topic_gallery, Presidency of George Washington
Josip Broz Tito, military.military_person.participated_in_conflicts, World War II
Presidential Command: Power, Leadership, and the Making of Foreign Policy from Richard Nixon to George W. Bush, book.book.genre, Non-fiction
President of the United States, symbols.flag_referent.flag, m.0j9gyfv
President of the United States, common.topic.webpage, m.09xm31x
President of the United States, common.topic.image, Official portrait of Barack Obama
US President, common.topic.notable_types, Franklin D. Roosevelt
President of the United States, book.book_subject.works, President Pennybaker
President of the United States, base.firsts.achievement.firsts, m.08ntjg4
Richard Nixon, people.person.nationality, United States of America
Adolf Hitler, military.military_person.participated_in_conflicts, World War I
m.04h_hmh, military.military_command.military_commander, Dwight D. Eisenhower
Grover Cleveland, common.topic.notable_types, US President
Richard Nixon, common.topic.notable_types, US President
Zachary Taylor, common.topic.notable_types, US President
m.0dj2gvv, base.ontologies.ontology_class_mapping.freebase_topic, President of the United States
Bill Clinton, common.topic.notable_types, US President
President of the United States, fictional_universe.character_occupation.characters_with_this_occupation, Lt. Cmdr. Robby Jackson
Dwight D. Eisenhower, government.us_president.vice_president, Richard Nixon
President of the United States, government.government_office_or_title.office_holders, m.03fx899
US President, freebase.type_profile.strict_included_types, Topic
Vice President of the United States, fictional_universe.character_occupation.characters_with_this_occupation, Jack Ryan
m.09wvy_x, common.webpage.topic, President of the United States
Stephen King on J.D. Salinger: 'The last of the great post-WWII American writers', common.resource.annotations, m.09yvl19
President of the United States, government.government_office_or_title.office_holders, m.03fx8c3
Abraham Lincoln, common.topic.notable_types, US President
Calvin Coolidge, common.topic.notable_types, US President
World War II, common.topic.webpage, m.0b49cc7
World War II, common.topic.webpage, m.09ybsfr
Allies of World War II, military.military_combatant.includes_allies, United States of America
President of the United States, common.topic.webpage, m.05ckhcc
President Thomas Westwood, common.topic.notable_for, g.1q5jd3v2c
Josiah Bartlet, fictional_universe.fictional_character.occupation, President of the United States
President of the United States, fictional_universe.character_occupation.characters_with_this_occupation, Matt Santos
George Washington, first President of the United States, common.image.appears_in_topic_gallery, Town Destroyer
Edward Rydz-Śmigły, military.military_person.participated_in_conflicts, World War II
US President, freebase.type_profile.published, Published
President of the United States, government.government_office_or_title.office_holders, m.0446b9r
Martin Van Buren, government.us_vice_president.to_president, Andrew Jackson
President of the United States, common.topic.webpage, m.09ynr7x
Theodore Roosevelt, common.topic.notable_types, US President
President of the United States, common.topic.webpage, m.04lsvx0
President of the United States, government.government_office_or_title.office_holders, m.03fx838
Franklin D. Roosevelt, government.us_president.vice_president, Harry S. Truman
James K. Polk, common.topic.notable_types, US President
The Reader's Companion to the American Presidency, common.topic.article, m.0770wzg
m.09xm31x, common.webpage.topic, President of the United States
Chester A. Arthur, government.us_vice_president.to_president, James A. Garfield
Matt Santos, fictional_universe.fictional_character.occupation, President of the United States
President of the United States, government.government_office_or_title.office_holders, m.04466zr
Warren G. Harding, common.topic.notable_types, US President
I'm the only president you've got., media_common.quotation.author, Lyndon B. Johnson
President of the United States, government.government_office_or_title.office_holders, m.02h6phn
President of the United States, common.topic.webpage, m.09xgz2n
Harry S. Truman 1949 presidential inauguration, common.topic.notable_types, Event
President of the United States, business.employer.employees, m.0czp5hh
World War II, common.topic.webpage, m.09yvl19
Benito Mussolini, military.military_person.participated_in_conflicts, World War I
President of the United States, government.government_office_or_title.office_holders, m.01xrx8q
Mediterranean and Middle East theatre of World War II, base.culturalevent.event.entity_involved, Dwight D. Eisenhower
Ronald Reagan, government.us_president.vice_president, George H. W. Bush
Lyndon B. Johnson, military.military_person.participated_in_conflicts, World War II
No man will ever bring out of the Presidency the reputation which carries him into it., media_common.quotation.author, Thomas Jefferson
Warren G. Harding, people.person.nationality, United States of America
George Washington, first President of the United States, common.image.appears_in_topic_gallery, Powers of the President of the United States
President of the United States, book.book_subject.works, The Sound of Leadership: Presidential Communication in the Modern Age
President of the United States, common.topic.notable_for, g.125734vfj
President of the United States, government.government_office_or_title.office_holders, m.03fx7zy
President of the United States, government.government_office_or_title.office_holders, m.0446b8l
President of the United States, government.government_office_or_title.office_holders, m.03fx7hy
Herbert Hoover, people.person.nationality, United States of America
President Pennybaker, book.written_work.subjects, President of the United States
President of the United States, book.book_subject.works, What Do We Do Now?: A Workbook for the President-elect
Thomas Jefferson, government.us_vice_president.to_president, John Adams
Chester A. Arthur, common.topic.notable_types, US President
US President, freebase.type_hints.included_types, Person
George H. W. Bush, military.military_person.participated_in_conflicts, World War II
George W. Bush, common.topic.notable_types, US President
President of the United States, government.government_office_or_title.office_holders, m.04469y8
President of the United States, government.government_office_or_title.office_holders, m.0446b70
Harry S. Truman 1949 presidential inauguration, base.culturalevent.event.entity_involved, Harry S. Truman
James A. Garfield, government.us_president.vice_president, Chester A. Arthur
m.09y93hy, common.webpage.topic, President of the United States
Lyndon B. Johnson, people.person.quotations, I'm the only president you've got.
m.03q2h_9, government.government_position_held.office_holder, Franklin D. Roosevelt
World War II, common.topic.article, m.081q5
President of the United States, common.topic.webpage, m.0b46f7h
President of the United States, government.government_office_or_title.office_holders, m.03fx88m
Adolf Hitler, people.person.profession, Soldier
President of the United States, common.topic.webpage, m.09ysj6g
President of the United States, book.book_subject.works, The American Leadership Tradition: Moral Vision from Washington to Clinton
President of the United States, government.government_office_or_title.office_holders, m.03fx88b
m.09y9g34, common.webpage.topic, President of the United States
John Tyler, common.topic.notable_types, US President
George Washington, first President of the United States, common.image.appears_in_topic_gallery, The Imperial Presidency
m.09xgz2n, common.webpage.topic, President of the United States
President of the United States, government.government_office_or_title.office_holders, m.04466xb
President of the United States, government.government_office_or_title.office_holders, m.03fx81_
President of the United States, base.schemastaging.context_name.plural, m.0w0qt9b
World War I, base.culturalevent.event.entity_involved, Woodrow Wilson
George Washington, first President of the United States, common.image.size, m.02f0j1t
William Henry Harrison, common.topic.notable_types, US President
m.09ygxjq, common.webpage.topic, President of the United States
John Adams, freebase.valuenotation.is_reviewed, Vice president
James A. Garfield, common.topic.notable_types, US President
m.05ckhcc, common.webpage.topic, President of the United States
US President, type.type.expected_by, Owner
George Washington, government.us_president.vice_president, John Adams
John Adams, government.us_vice_president.to_president, George Washington
Lt. Cmdr. Robby Jackson, fictional_universe.fictional_character.occupation, Vice President of the United States
President of the United States, fictional_universe.character_occupation.characters_with_this_occupation, President Thomas Westwood
Thomas Jefferson, freebase.valuenotation.is_reviewed, Vice president
Adolf Hitler, military.military_commander.military_commands, m.02h7nns
President of the United States, government.government_office_or_title.office_holders, m.03fx7j8
World War II, common.topic.webpage, m.09yjnz5
President of the United States, common.topic.webpage, m.09y93hy
Harry S. Truman 1949 presidential inauguration, base.inaugurations.inauguration.president, Harry S. Truman
m.04wrwjv, base.firsts.first_achievement.achievement, President of the United States
Harry S. Truman, government.us_vice_president.to_president, Franklin D. Roosevelt
The Reader's Companion to the American Presidency, book.written_work.editor, Davis Dyer
US President, freebase.type_hints.included_types, Politician
President of the United States, fictional_universe.character_occupation.characters_with_this_occupation, Jack Ryan
President of the United States, government.government_office_or_title.office_holders, m.03fx87q
United States of America, people.person.nationality, Franklin D. Roosevelt
Jimmy Carter, common.topic.notable_types, US President
James Madison, common.topic.notable_types, US President
Dwight D. Eisenhower, common.topic.notable_types, US President
Warren G. Harding, government.us_president.vice_president, Calvin Coolidge
President of the United States, government.government_office_or_title.office_holders, m.03fx7_v
Dwight D. Eisenhower, organization.organization_founder.organizations_founded, Central Intelligence Agency (CIA)
Richard Nixon, military.military_person.participated_in_conflicts, World War II
Dwight D. Eisenhower, people.person.profession, Politician
Presidential Command: Power, Leadership, and the Making of Foreign Policy from Richard Nixon to George W. Bush, common.topic.notable_types, Book
President of the United States, government.government_office_or_title.office_holders, m.03fx8bt
Max for President, book.written_work.subjects, President of the United States
President of the United States, common.topic.webpage, m.09ygxjq
James Buchanan, common.topic.notable_types, US President
President of the United States, government.government_office_or_title.office_holders, m.03fx85y
Andrew Jackson, common.topic.notable_types, US President
US President, freebase.type_profile.kind, Title
President of the United States, award.award_presenting_organization.awards_presented, National Medal of Technology and Innovation
m.09xlnjq, common.webpage.resource, 'West Wing': The next Fake President of the United States is...
John Adams, government.us_president.vice_president, Thomas Jefferson
m.09yvl19, common.webpage.resource, Stephen King on J.D. Salinger: 'The last of the great post-WWII American writers'
President of the United States, fictional_universe.character_occupation.characters_with_this_occupation, Cast of Dasavathaaram
George Washington, common.topic.image, George Washington, first President of the United States
Woodrow Wilson, common.topic.notable_types, US President
Richard Nixon, government.us_president.vice_president, Gerald Ford
Theodore Roosevelt, government.us_vice_president.to_president, William McKinley
Władysław Anders, military.military_person.participated_in_conflicts, World War II
President of the United States, government.government_office_or_title.office_holders, m.0446b9j
Franklin D. Roosevelt, common.topic.notable_types, US President
President of the United States, government.government_office_or_title.office_holders, m.04469xv
US President, freebase.type_hints.included_types, Topic
Martin Van Buren, common.topic.notable_types, US President
John F. Kennedy, common.topic.notable_types, US President
President of the United States, common.topic.webpage, m.0663zsk
President of the United States, base.firsts.achievement.firsts, m.04wrwjv
President of the United States, government.government_office_or_title.office_holders, m.03fx82m
President of the United States, book.book_subject.works, The Reader's Companion to the American Presidency
George Washington, first President of the United States, common.image.appears_in_topic_gallery, Charles Lee
World War II, common.topic.webpage, m.09xxnlt
Presidential Command: Power, Leadership, and the Making of Foreign Policy from Richard Nixon to George W. Bush, book.written_work.subjects, Politics of the United States
m.08ntjg4, base.firsts.first_achievement.achievement, President of the United States
Dwight D. Eisenhower, military.military_person.participated_in_conflicts, World War II
Herbert Hoover, common.topic.notable_types, US President
William McKinley, government.us_president.vice_president, Theodore Roosevelt
President of the United States, freebase.equivalent_topic.equivalent_type, US President
President of the United States, government.government_office_or_title.office_holders, m.040b_7k
John Tyler, government.us_vice_president.to_president, William Henry Harrison
President of the United States, government.government_office_or_title.category, President
President of the United States, government.government_office_or_title.office_holders, m.02kzpyv
President of the United States, common.topic.notable_types, Government Office or Title
Ronald Reagan, common.topic.notable_types, US President
Gerald Ford, government.us_vice_president.to_president, Richard Nixon
John F. Kennedy, government.us_president.vice_president, Lyndon B. Johnson
President of the United States, government.government_office_or_title.office_holders, m.0446bdb
President of the United States, government.government_office_or_title.office_holders, m.0446bdk
President of the United States, common.topic.webpage, m.09wvy_x
George H. W. Bush, government.us_vice_president.to_president, Ronald Reagan
m.0b464_j, common.webpage.topic, President of the United States
President of the United States, common.topic.article, m.060dd
President of the United States, book.book_subject.works, Presidential Command: Power, Leadership, and the Making of Foreign Policy from Richard Nixon to George W. Bush
Franklin Pierce, common.topic.notable_types, US President
World War II, common.topic.webpage, m.09w9d_p
Presidential Command: Power, Leadership, and the Making of Foreign Policy from Richard Nixon to George W. Bush, book.written_work.subjects, President of the United States
President of the United States, government.government_office_or_title.office_holders, m.04466tx
Woodrow Wilson, people.person.nationality, United States of America
President of the United States, common.topic.image, George Washington, first President of the United States
Jack Ryan, fictional_universe.fictional_character.occupation, President of the United States
President of the United States, government.government_office_or_title.office_holders, m.03fx8cf
President of the United States, book.book_subject.works, Madam President
President of the United States, government.government_office_or_title.office_holders, m.04466xm
Alan Brinkley, book.author.works_edited, The Reader's Companion to the American Presidency
President of the United States, book.book_subject.works, Burn Before Reading: Presidents, CIA Directors, and Secret Intelligence
First Off the Tee: Presidential Hackers, Duffers, and Cheaters From Taft to Bush, book.written_work.subjects, President of the United States
Andrew Johnson, common.topic.notable_types, US President
The Reader's Companion to the American Presidency, book.written_work.editor, Alan Brinkley
George H. W. Bush, common.topic.notable_types, US President
William Henry Harrison, government.us_president.vice_president, John Tyler
President of the United States, government.government_office_or_title.office_holders, m.04s_2dh
Millard Fillmore, government.us_vice_president.to_president, Zachary Taylor
Andrew Johnson, government.us_vice_president.to_president, Abraham Lincoln
President of the United States, government.government_office_or_title.office_holders, m.02k6vpl
President of the United States, government.government_office_or_title.jurisdiction, United States of America
m.04wrx4g, base.firsts.first_achievement.achievement, President of the United States
John Adams, common.topic.notable_types, US President
Abraham Lincoln, fictional_universe.fictional_character.occupation, President of the United States
m.09w7nt9, common.webpage.topic, World War II
President of the United States, fictional_universe.character_occupation.characters_with_this_occupation, Josiah Bartlet
President of the United States, government.government_office_or_title.office_holders, m.04469y1
World War II, common.topic.webpage, m.09y2gbs
Harry S. Truman, common.topic.notable_types, US President
George W. Bush, people.person.nationality, United States of America
Presidential Command: Power, Leadership, and the Making of Foreign Policy from Richard Nixon to George W. Bush, book.written_work.subjects, Foreign policy
Ulysses S. Grant, fictional_universe.fictional_character.occupation, President of the United States
Richard Nixon, government.us_vice_president.to_president, Dwight D. Eisenhower
m.0663zsk, common.webpage.topic, President of the United States
The Reader's Companion to the American Presidency, book.book.editions, The Reader's Companion to the American Presidency
Adolf Hitler, organization.organization_founder.organizations_founded, Gestapo
President of the United States, award.award_presenting_organization.award_categories_presented, National Medal of Technology and Innovation
Winston Churchill, military.military_person.participated_in_conflicts, World War I
President of the United States, common.topic.webpage, m.0b464_j
President of the United States, book.book_subject.works, Poem for a President: Midnight Flight of the Poetry Angels
Dwight D. Eisenhower, military.military_person.participated_in_conflicts, Vietnam War
President of the United States, government.government_office_or_title.office_holders, m.0446bcc
US President, type.type.properties, President number
US President, type.type.expected_by, US Presidents
President of the United States, common.topic.webpage, m.09xlnpm
Thomas Jefferson, common.topic.notable_types, US President
Franklin D. Roosevelt, influence.influence_node.influenced_by, Theodore Roosevelt
President of the United States, book.book_subject.works, The Rhetorical Presidency
William Howard Taft, people.person.nationality, United States of America
Conrad Dalton, fictional_universe.fictional_character.occupation, President of the United States
The Rhetorical Presidency, book.written_work.subjects, President of the United States
Carl Gustaf Emil Mannerheim, military.military_person.participated_in_conflicts, World War II
President of the United States, book.book_subject.works, Max for President
Rutherford B. Hayes, common.topic.notable_types, US President
President of the United States, fictional_universe.character_occupation.characters_with_this_occupation, Ulysses S. Grant
World War II, common.topic.webpage, m.09w7nt9

Answer: Franklin D. Roosevelt