user: You are a structured reasoning expert tasked with solving problems step by step. 
You first think about the reasoning process in the mind and then provide the answer. The reasoning process and answer should be enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answer here </answer>. 
Given a question and the associated knowledge graph triplets (entity, relation, entity), you are asked to answer the question with these triplets and your own knowledge. 
You can break down the original question into several sub-questions and explore the given knowledge graph to solve them step-by-step. If there are multiple possible answers, choose one as the final answer. 
After thinking, when you finally reach a conclusion, clearly state the answer within <answer> </answer> tags, i.e., <answer> answer here </answer>. 
Question: Which WW2 US President had a political appointer that was White House Chief of Staff? 
Knowledge Triplets: White House Chief of Staff, fictional_universe.fictional_job_title.fictional_characters_with_this_job, m.050_mr9
White House Chief of Staff, common.topic.notable_types, Government Office or Title
m.05bp25j, government.government_position_held.office_position_or_title, White House Chief of Staff
World War II, common.topic.webpage, m.09w41xr
World War II, common.topic.webpage, m.09wsxxn
m.052jhd7, government.government_position_held.appointed_by, George H. W. Bush
White House Chief of Staff, government.government_office_or_title.office_holders, m.05bp2nc
John F. Kennedy, government.political_appointer.appointees, m.09k8772
m.05bp2qn, government.government_position_held.office_position_or_title, White House Chief of Staff
m.09wsrnl, common.webpage.topic, World War II
World War II, common.topic.webpage, m.09yj2jt
World War II, common.topic.webpage, m.0b46rff
Bill Clinton, government.political_appointer.appointees, m.04fvqy2
White House Chief of Staff, government.government_office_or_title.office_holders, m.05bh_20
m.05bp25v, government.government_position_held.office_position_or_title, White House Chief of Staff
World War II, common.topic.webpage, m.09y2gbs
World War II, common.topic.article, m.081q5
Bill Clinton, government.political_appointer.appointees, m.09k875q
m.05bp2fs, government.government_position_held.office_position_or_title, White House Chief of Staff
George H. W. Bush, government.us_vice_president.to_president, Ronald Reagan
White House Chief of Staff, government.government_office_or_title.office_holders, m.0j34rt6
m.05bp2h2, government.government_position_held.appointed_by, Harry S. Truman
m.05bh_20, government.government_position_held.office_position_or_title, White House Chief of Staff
Richard Nixon, government.political_appointer.appointees, m.09k87g4
World War II, common.topic.webpage, m.0b49czw
m.04kbw6r, government.government_position_held.appointed_by, Jimmy Carter
White House Chief of Staff, common.topic.image, Whlogo1
George H. W. Bush, government.political_appointer.appointees, m.05bp2fc
White House Chief of Staff, government.government_office_or_title.office_holders, m.05b8tvx
m.05bp2gf, government.government_position_held.office_position_or_title, White House Chief of Staff
White House Chief of Staff, government.government_office_or_title.office_holders, m.05bp2ny
George W. Bush, government.political_appointer.appointees, m.04flftx
m.09k878c, government.government_position_held.appointed_by, Dwight D. Eisenhower
World War II, common.topic.webpage, m.0b46p4g
m.010r2vx8, government.government_position_held.basic_title, White House Chief of Staff
m.05bp251, government.government_position_held.office_position_or_title, White House Chief of Staff
World War II, common.topic.webpage, m.0b475k_
m.04cnx_5, government.government_position_held.office_position_or_title, White House Chief of Staff
Barack Obama, government.political_appointer.appointees, m.05bh_20
m.0j35vth, government.government_position_held.office_position_or_title, White House Chief of Staff
m.0b49czw, common.webpage.topic, World War II
Jimmy Carter, government.political_appointer.appointees, m.05bp2ml
White House Chief of Staff, base.descriptive_names.names.descriptive_name, m.0_z7y64
White House Chief of Staff, common.topic.webpage, m.09xhyz5
World War II, common.topic.webpage, m.09xyz9p
World War II, common.topic.webpage, m.09y5hqr
m.03fx817, government.politician.government_positions_held, Harry S. Truman
m.05bp2f0, government.government_position_held.office_position_or_title, White House Chief of Staff
White House Chief of Staff, base.schemastaging.context_name.plural, m.0w0qtks
Richard Nixon, government.political_appointer.appointees, m.05bp251
Herbert Hoover, government.political_appointer.appointees, m.09k8732
Bill Clinton, government.political_appointer.appointees, m.09k87fv
m.05bp2fc, government.government_position_held.appointed_by, George H. W. Bush
World War II, event.speech_or_presentation.speech_topic, m.05rpn5h
m.04hdwq_, government.government_position_held.appointed_by, Ronald Reagan
White House Chief of Staff, common.topic.article, m.01f632
Gerald Ford, base.government2.appointed_official.appointments, m.0c1svhh
President of the United States, government.government_office_or_title.office_holders, m.03fx817
White House Chief of Staff, base.descriptive_names.names.descriptive_name, m.0_z7yc7
President, government.political_appointer.appointees, m.04dm9x3
Jimmy Carter, government.political_appointer.appointees, m.04kbw71
Barack Obama, government.political_appointer.appointees, m.04_5kfv
Dwight D. Eisenhower, government.us_president.vice_president, Richard Nixon
m.05bp2p6, government.government_position_held.office_position_or_title, White House Chief of Staff
Lyndon B. Johnson, military.military_person.participated_in_conflicts, World War II
m.09k873r, government.government_position_held.appointed_by, George W. Bush
World War II, common.topic.webpage, m.09wwvtm
m.05bp2ny, government.government_position_held.appointed_by, George W. Bush
World War II, common.topic.webpage, m.09ygg0r
White House Chief of Staff, government.government_office_or_title.office_holders, m.05bp2dq
Gerald Ford, government.political_appointer.appointees, m.01z0qwq
Bill Clinton, government.political_appointer.appointees, m.05g1cd0
Harry S. Truman, government.political_appointer.appointees, m.09k8740
President, government.political_appointer.appointees, m.04zgx28
George W. Bush, government.political_appointer.appointees, m.09k879g
World War II, common.topic.webpage, m.09yjnz5
Dwight D. Eisenhower, government.political_appointer.appointees, m.05bp2gs
Ronald Reagan, government.political_appointer.appointees, m.04_5ls9
m.09k8794, government.government_position_held.appointed_by, Dwight D. Eisenhower
World War II, common.topic.webpage, m.09ys_2c
Jimmy Carter, government.political_appointer.appointees, m.09k87dl
George W. Bush, government.political_appointer.appointees, m.04g5n0w
m.04jx14r, military.military_command.military_commander, Harry S. Truman
Rahm Emanuel, base.obamabase.cabinet_member.cabinet_position, White House Chief of Staff
m.04flftx, government.government_position_held.appointed_by, George W. Bush
World War II, common.topic.webpage, m.09xr1l4
WW2Montage, common.image.appears_in_topic_gallery, World War II
m.09xhyz5, common.webpage.topic, White House Chief of Staff
WW2Montage, common.image.size, m.04246bq
White House Chief of Staff, government.government_office_or_title.office_holders, m.05bp2p6
George W. Bush, government.political_appointer.appointees, m.09k873r
Barack Obama, government.political_appointer.appointees, m.0j35vth
Dwight D. Eisenhower, government.political_appointer.appointees, m.0668r87
m.050_mr9, fictional_universe.fictional_employment_tenure.title, White House Chief of Staff
Ronald Reagan, government.political_appointer.appointees, m.09k879r
Lyndon B. Johnson, government.political_appointer.appointees, m.09k8781
m.048zk8w, government.government_position_held.appointed_by, George H. W. Bush
m.05nn8kj, common.webpage.topic, White House Chief of Staff
White House Chief of Staff, government.government_position_held.office_position_or_title, m.05bp2h2
World War II, common.topic.webpage, m.09y4ljx
m.05bp2fc, government.government_position_held.office_position_or_title, White House Chief of Staff
m.05bp2gs, government.government_position_held.office_position_or_title, White House Chief of Staff
World War II, common.topic.webpage, m.09yybjl
World War II, common.topic.webpage, m.09y0608
Ronald Reagan, government.political_appointer.appointees, m.04d0pgv
White House Chief of Staff, common.topic.webpage, m.05nn8kj
m.09k87by, government.government_position_held.appointed_by, Franklin D. Roosevelt
John F. Kennedy, government.political_appointer.appointees, m.09k87c_
George H. W. Bush, government.political_appointer.appointees, m.09k8769
Barack Obama, government.political_appointer.appointees, m.05g438r
m.05bp2dq, government.government_position_held.office_position_or_title, White House Chief of Staff
Ronald Reagan, government.political_appointer.appointees, m.04d0pbs
World War II, common.topic.webpage, m.09yggz2
m.09w7nt9, common.webpage.topic, World War II
m.05bp25v, government.government_position_held.appointed_by, Richard Nixon
m.09k87dl, government.government_position_held.appointed_by, Jimmy Carter
m.09k87fk, government.government_position_held.appointed_by, Ronald Reagan
m.05bp2nn, government.government_position_held.office_position_or_title, White House Chief of Staff
Barack Obama, government.political_appointer.appointees, m.05g2cp1
Bill Clinton, government.political_appointer.appointees, m.05bhvfz
George W. Bush, government.political_appointer.appointees, m.09k8760
Bill Clinton, government.political_appointer.appointees, m.04dwnvb
White House Chief of Staff, base.obamabase.cabinet_position.potential_cabinet_members, Rahm Emanuel
World War II, common.topic.webpage, m.0b6rtrx
m.05bp2h2, government.political_appointer.appointees, Harry S. Truman
World War II, common.topic.webpage, m.09wgp4k
Barack Obama, government.political_appointer.appointees, m.05bp2yr
m.05b8tvx, government.government_position_held.office_position_or_title, White House Chief of Staff
m.0668r87, government.government_position_held.appointed_by, Dwight D. Eisenhower
Richard Nixon, military.military_person.participated_in_conflicts, World War II
World War II, common.topic.webpage, m.09y9l5w
m.09k877q, government.government_position_held.appointed_by, Dwight D. Eisenhower
George H. W. Bush, government.political_appointer.appointees, m.048zk8w
White House Chief of Staff, government.government_office_or_title.office_holders, m.05bp25v
m.09ybsfr, common.webpage.topic, World War II
World War II, common.topic.webpage, m.09yf8lh
Ronald Reagan, government.political_appointer.appointees, m.05bp2dq
World War II, common.topic.webpage, m.09w9d_p
m.05bp2h2, government.government_position_held.office_position_or_title, White House Chief of Staff
Ronald Reagan, government.political_appointer.appointees, m.05bp2dc
World War II, common.topic.webpage, m.09xss79
White House Chief of Staff, government.government_office_or_title.office_holders, m.05bp2g3
m.09k8772, government.government_position_held.appointed_by, John F. Kennedy
Gerald Ford, government.political_appointer.appointees, m.04cnx_5
White House Chief of Staff, government.government_office_or_title.office_holders, m.05bp2n1
World War II, common.topic.webpage, m.09ybsfr
Rahm Emanuel, base.obamabase.possible_cabinet_member.cabinet_position, White House Chief of Staff
World War II, common.topic.image, WW2Montage
Warren G. Harding, government.political_appointer.appointees, m.09k87bn
White House Chief of Staff, fictional_universe.character_occupation.characters_with_this_occupation, David Patrick
m.09k8760, government.government_position_held.appointed_by, George W. Bush
George H. W. Bush, government.politician.government_positions_held, m.01xrx8q
World War II, common.topic.webpage, m.09xrmvz
Ronald Reagan, government.us_president.vice_president, George H. W. Bush
Richard Nixon, government.political_appointer.appointees, m.05bp25v
m.09k874h, government.government_position_held.appointed_by, Dwight D. Eisenhower
White House Chief of Staff, government.government_office_or_title.office_holders, m.05bp251
White House Chief of Staff, government.government_office_or_title.office_holders, m.0j35vth
White House Chief of Staff, government.government_office_or_title.office_holders, m.05bp2fs
Bill Clinton, government.political_appointer.appointees, m.05bp25j
World War II, common.topic.webpage, m.0b45zcq
World War II, common.topic.notable_for, g.125500wpl
m.05bp2dq, government.government_position_held.appointed_by, Ronald Reagan
World War II, common.topic.webpage, m.09w7qyh
John F. Kennedy, military.military_person.participated_in_conflicts, World War II
m.052jhc_, government.government_position_held.appointed_by, George H. W. Bush
m.0j34rt6, government.government_position_held.office_position_or_title, White House Chief of Staff
Barack Obama, government.political_appointer.appointees, m.05f_33k
Vanessa Keller, fictional_universe.fictional_character.occupation, White House Chief of Staff
White House Chief of Staff, government.government_office_or_title.office_holders, m.048zk8w
m.04kbw71, government.government_position_held.appointed_by, Jimmy Carter
World War II, common.topic.webpage, m.09wl5j0
m.09k8781, government.government_position_held.appointed_by, Lyndon B. Johnson
m.05bp2ml, government.government_position_held.office_position_or_title, White House Chief of Staff
m.09k876m, government.government_position_held.appointed_by, Franklin D. Roosevelt
Dwight D. Eisenhower, government.political_appointer.appointees, m.09k8794
World War II, common.topic.webpage, m.09x5b2d
m.05bp2nn, government.government_position_held.appointed_by, George W. Bush
m.05bp2f0, government.government_position_held.appointed_by, Dwight D. Eisenhower
m.09wsxxn, common.webpage.topic, World War II
Barack Obama, government.political_appointer.appointees, m.05bh_kg
White House Chief of Staff, government.government_office_or_title.office_holders, m.05bp2ml
m.04d0pgv, government.government_position_held.appointed_by, Ronald Reagan
Bill Clinton, government.political_appointer.appointees, m.04g5nj9
m.09k879g, government.government_position_held.appointed_by, George W. Bush
George H. W. Bush, government.political_appointer.appointees, m.05bp2fs
White House Chief of Staff, government.government_office_or_title.office_holders, m.01z0qwq
World War II, common.topic.webpage, m.09xwgl8
White House Chief of Staff, government.government_office_or_title.office_holders, m.05bp25j
David Patrick, fictional_universe.fictional_character.occupation, White House Chief of Staff
Dwight D. Eisenhower, government.political_appointer.appointees, m.09k874h
George W. Bush, government.political_appointer.appointees, m.05bp2nn
President, government.political_appointer.appointees, m.04dm9sd
White House Chief of Staff, base.descriptive_names.names.descriptive_name, m.0_z7ywt
White House Chief of Staff, government.government_office_or_title.governmental_body_if_any, Executive Office of the President of the United States
Gerald Ford, government.political_appointer.appointees, m.09k875d
Bill Clinton, government.political_appointer.appointees, m.05b8tvx
World War II, common.topic.webpage, m.09wxv0j
m.09k8753, government.government_position_held.appointed_by, George W. Bush
World War II, common.topic.webpage, m.09ysx61
Harry S. Truman, government.political_appointer.appointees, m.05bp2h2
World War II, common.topic.webpage, m.0b49cc7
Barack Obama, government.political_appointer.appointees, m.0j34rt6
m.05bp2dc, government.government_position_held.office_position_or_title, White House Chief of Staff
Bill Clinton, government.political_appointer.appointees, m.09k87cd
White House Chief of Staff, base.schemastaging.context_name.pronunciation, m.01314r39
m.09yggz2, common.webpage.topic, World War II
White House Chief of Staff, base.descriptive_names.names.descriptive_name, m.0_z7y6p
US President, common.topic.notable_types, Harry S. Truman
World War II, common.topic.webpage, m.09xgynp
Ronald Reagan, military.military_person.participated_in_conflicts, World War II
George W. Bush, government.politician.government_positions_held, m.02h6phn
m.05bp2gf, government.government_position_held.appointed_by, Ronald Reagan
m.09k87d9, government.government_position_held.appointed_by, Franklin D. Roosevelt
m.05bp2nc, government.government_position_held.office_position_or_title, White House Chief of Staff
m.09k87bc, government.government_position_held.appointed_by, Richard Nixon
m.05bp2ny, government.government_position_held.office_position_or_title, White House Chief of Staff
m.05bp2dc, government.government_position_held.appointed_by, Ronald Reagan
Richard Nixon, government.political_appointer.appointees, m.09k87cq
Barack Obama, government.political_appointer.appointees, m.0527js1
Ronald Reagan, government.political_appointer.appointees, m.05bp2gf
President, government.political_appointer.appointees, m.04dm9pg
White House Chief of Staff, government.government_office_or_title.office_holders, m.04cnx_5
White House Chief of Staff, government.government_office_or_title.office_holders, m.05bp2gs
White House Chief of Staff, government.government_office_category.officeholders, m.010r2vx8
World War II, common.topic.webpage, m.09y6kxc
m.05rpn5h, event.speech_or_presentation.speaker_s, Harry S. Truman
Ronald Reagan, government.political_appointer.appointees, m.05bp2g3
United States of America, people.person.nationality, Harry S. Truman
Executive Office of the President of the United States, government.governmental_body.offices_positions, White House Chief of Staff
Barack Obama, government.political_appointer.appointees, m.052lwd3
Richard Nixon, government.political_appointer.appointees, m.09k87bc
World War II, common.topic.webpage, m.09x773p
George W. Bush, government.political_appointer.appointees, m.09k8753
m.09k87dx, government.government_position_held.appointed_by, Lyndon B. Johnson
Bill Clinton, government.political_appointer.appointees, m.05bp2p6
World War II, common.topic.webpage, m.09yvl19
m.05bp2qb, government.government_position_held.appointed_by, Lyndon B. Johnson
m.09k879r, government.government_position_held.appointed_by, Ronald Reagan
m.05bp2fs, government.government_position_held.appointed_by, George H. W. Bush
Lyndon B. Johnson, government.political_appointer.appointees, m.05bp2qn
World War II, common.topic.webpage, m.09y8d_t
Lyndon B. Johnson, government.political_appointer.appointees, m.05bp2qb
Franklin D. Roosevelt, government.political_appointer.appointees, m.09k876m
Barack Obama, government.political_appointer.appointees, m.05gh7qx
m.05bp2n1, government.government_position_held.office_position_or_title, White House Chief of Staff
Bill Clinton, government.political_appointer.appointees, m.04_5kjz
President of the United States, government.government_office_or_title.jurisdiction, United States of America
White House Chief of Staff, government.government_office_or_title.office_holders, m.05bp2fc
White House Chief of Staff, government.government_office_or_title.office_holders, m.05bp2f0
m.09k874t, government.government_position_held.appointed_by, Ronald Reagan
Ronald Reagan, government.political_appointer.appointees, m.09k87fk
Dwight D. Eisenhower, government.political_appointer.appointees, m.05bp2f0
World War II, common.topic.webpage, m.09wwp1v
George H. W. Bush, government.political_appointer.appointees, m.051t17h
Barack Obama, government.political_appointer.appointees, m.05gwyg2
World War II, common.topic.webpage, m.09wgp7j
Harry S. Truman, government.political_appointer.appointees, m.09k87b1
Dwight D. Eisenhower, military.military_person.participated_in_conflicts, World War II
Jimmy Carter, government.political_appointer.appointees, m.09k873f
Dwight D. Eisenhower, government.political_appointer.appointees, m.09k877q
White House Chief of Staff, government.government_office_or_title.office_holders, m.05bp2h2
World War II, common.topic.webpage, m.09xxnlt
George W. Bush, common.topic.notable_types, US President
Bill Clinton, government.political_appointer.appointees, m.04vwgf7
World War II, common.topic.webpage, m.09w7nt9
m.04d0pbs, government.government_position_held.appointed_by, Ronald Reagan
White House Chief of Staff, government.government_office_or_title.office_holders, m.05bp2qb
World War II, common.topic.webpage, m.09wsrnl
George H. W. Bush, government.political_appointer.appointees, m.052jhd7
m.048zk8w, government.government_position_held.office_position_or_title, White House Chief of Staff
Ronald Reagan, government.political_appointer.appointees, m.04hdwq_
m.051t17h, government.government_position_held.appointed_by, George H. W. Bush
m.05bp2g3, government.government_position_held.appointed_by, Ronald Reagan
m.01z0qwq, government.government_position_held.office_position_or_title, White House Chief of Staff
m.09k8740, government.government_position_held.appointed_by, Harry S. Truman
m.09k8732, government.government_position_held.appointed_by, Herbert Hoover
White House Chief of Staff, common.topic.notable_for, g.1258244g0
Dwight D. Eisenhower, government.political_appointer.appointees, m.09k878c
Whlogo1, common.image.appears_in_topic_gallery, White House Chief of Staff
White House Chief of Staff, fictional_universe.character_occupation.characters_with_this_occupation, Vanessa Keller
White House Chief of Staff, government.government_office_or_title.office_holders, m.05bp2gf
m.05bp2nc, government.government_position_held.appointed_by, Jimmy Carter
Jimmy Carter, government.political_appointer.appointees, m.04kbw6r
World War II, military.military_conflict.commanders, m.04jx14r
White House Chief of Staff, government.government_office_or_title.office_holders, m.05bp2dc
George H. W. Bush, government.political_appointer.appointees, m.04k1cy1
m.04g5n0w, government.government_position_held.appointed_by, George W. Bush
World War II, common.topic.webpage, m.09yfzdj
m.04_5ls9, government.government_position_held.appointed_by, Ronald Reagan
White House Chief of Staff, government.government_office_or_title.office_holders, m.05bp2qn
George W. Bush, government.political_appointer.appointees, m.05bp2ny
m.09xxnlt, common.webpage.topic, World War II
George H. W. Bush, common.topic.notable_types, US President
Bill Clinton, government.political_appointer.appointees, m.05bp2n1
George H. W. Bush, government.political_appointer.appointees, m.052jhc_
World War II, common.topic.image, m.02923_6
Lyndon B. Johnson, government.political_appointer.appointees, m.09k87dx
World War II, common.topic.webpage, m.0b48dsf
m.05bp2qn, government.government_position_held.appointed_by, Lyndon B. Johnson
George H. W. Bush, military.military_person.participated_in_conflicts, World War II
m.05bp2qb, government.government_position_held.office_position_or_title, White House Chief of Staff
Bill Clinton, government.political_appointer.appointees, m.04_5kkc
m.09k8769, government.government_position_held.appointed_by, George H. W. Bush
Barack Obama, government.political_appointer.appointees, m.052m8b1
White House Chief of Staff, government.government_office_or_title.office_holders, m.05bp2nn
Barack Obama, government.political_appointer.appointees, m.05pv1bq
Jimmy Carter, government.political_appointer.appointees, m.05bp2nc
World War II, common.topic.webpage, m.09ydx3t
Franklin D. Roosevelt, government.political_appointer.appointees, m.09k87by
m.09w41xr, common.webpage.topic, World War II
Warren G. Harding, government.political_appointer.appointees, m.09k878p
Harry S. Truman, government.political_appointer.appointees, m.09k877d
m.05bp251, government.government_position_held.appointed_by, Richard Nixon
George W. Bush, government.us_president.vice_president, Dick Cheney
m.05bp2gs, government.government_position_held.appointed_by, Dwight D. Eisenhower
World War II, common.topic.webpage, m.0b48g2t
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
Franklin D. Roosevelt, government.political_appointer.appointees, m.09k87d9
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
Richard Nixon, government.political_appointer.appointees, m.09k87f6
President of the United States, freebase.type_profile.equivalent_topic, US President
Barack Obama, government.political_appointer.appointees, m.052mbx6
Ronald Reagan, government.political_appointer.appointees, m.09k874t
m.04k1cy1, government.government_position_held.appointed_by, George H. W. Bush
President of the United States, people.appointed_role.appointment, m.0c1svhh
m.05bp2g3, government.government_position_held.office_position_or_title, White House Chief of Staff
Barack Obama, government.political_appointer.appointees, m.04_2vlm
m.05bp2ml, government.government_position_held.appointed_by, Jimmy Carter
Barack Obama, government.political_appointer.appointees, m.04_5lb8

Answer: Harry S. Truman