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: What current Ohio State Senator holds a position in the Executive Office of the President of the United States? 
Knowledge Triplets: m.04kg06k, government.government_position_held.governmental_body, Executive Office of the President of the United States
Executive Office of the President of the United States, common.topic.notable_types, Government Agency
United States Senate election in Ohio, 2010, common.topic.notable_for, g.125fpx87t
m.04g5n0w, government.government_position_held.governmental_body, Executive Office of the President of the United States
m.04cnx_5, government.government_position_held.governmental_body, Executive Office of the President of the United States
President pro tempore of the United States Senate, government.government_office_or_title.office_holders, m.09rfdwh
Executive Office of the President of the United States, government.governmental_body.members, m.04k1cy1
m.09k879r, government.government_position_held.governmental_body, Executive Office of the President of the United States
Executive Office of the President of the United States, government.governmental_body.members, m.09k875q
Executive Office of the President of the United States, business.employer.employees, m.0gll2xk
m.0nbz0_p, government.government_position_held.office_position_or_title, President pro tempore of the United States Senate
Executive Office of the President of the United States, government.governmental_body.members, m.04kg06k
Executive Office of the President of the United States, business.employer.employees, m.07p2824
Executive Office of the President of the United States, business.employer.employees, m.04fvqjr
Executive Office of the President of the United States, business.employer.employees, m.07lq7_m
Executive Office of the President of the United States, government.governmental_body.members, m.04_5ls9
Cincinnati, people.person.place_of_birth, Rob Portman
Executive Office of the President of the United States, government.governmental_body.members, m.09k87cq
m.04flfwv, government.government_position_held.governmental_body, Executive Office of the President of the United States
Executive Office of the President of the United States, government.governmental_body.members, m.09k87c_
Executive Office of the President of the United States, government.governmental_body.members, m.04_5kkc
Executive Office of the President of the United States, government.governmental_body.members, m.04hdwq_
Executive Office of the President of the United States, government.governmental_body.members, m.04kby0b
m.09k87bn, government.government_position_held.governmental_body, Executive Office of the President of the United States
m.09k876m, government.government_position_held.governmental_body, Executive Office of the President of the United States
m.09k87g4, government.government_position_held.governmental_body, Executive Office of the President of the United States
Executive Office of the President of the United States, business.employer.employees, m.04j6cbg
m.05kf1l3, government.government_position_held.governmental_body, Executive Office of the President of the United States
Executive Office of the President of the United States, common.topic.image, Seal of the Executive Office of the President of the United States
Executive Office of the President of the United States, government.governmental_body.members, m.09k87d9
Executive Office of the President of the United States, government.governmental_body.members, m.05f_33k
m.09k87dx, government.government_position_held.governmental_body, Executive Office of the President of the United States
Executive Office of the President of the United States, government.governmental_body.members, m.052jhd7
Executive Office of the President of the United States, government.governmental_body.members, m.0j34rt6
m.04dwnvb, government.government_position_held.governmental_body, Executive Office of the President of the United States
m.09k8769, government.government_position_held.governmental_body, Executive Office of the President of the United States
United States Senate election in Ohio, 2010, government.election.district, Ohio
m.04jqq8w, government.government_position_held.governmental_body, Executive Office of the President of the United States
m.05bp2yr, government.government_position_held.governmental_body, Executive Office of the President of the United States
Executive Office of the President of the United States, government.governmental_body.offices_positions, White House Chief of Staff
Executive Office of the President of the United States, business.employer.employees, m.052lflh
United States Senate, government.governmental_body.offices_positions, President pro tempore of the United States Senate
m.09k87c_, government.government_position_held.governmental_body, Executive Office of the President of the United States
Executive Office of the President of the United States, government.governmental_body.members, m.05b8tvx
Executive Office of the President of the United States, government.governmental_body.members, m.04dwnvb
Seal of the Executive Office of the President of the United States, common.image.appears_in_topic_gallery, Executive Office of the President of the United States
Ohio, location.country.first_level_divisions, United States of America
m.04vwgf7, government.government_position_held.governmental_body, Executive Office of the President of the United States
Executive Office of the President of the United States, government.governmental_body.members, m.05bh_kg
Executive Office of the President of the United States, government.governmental_body.members, m.09k874h
Executive Office of the President of the United States, government.government_position_held.governmental_body, m.09k8753
Ohio Senate, common.topic.notable_types, Governmental Body
Executive Office of the President of the United States, government.governmental_body.members, m.04_2vlm
Executive Office of the President of the United States, government.governmental_body.members, m.09k87fv
Executive Office of the President of the United States, government.governmental_body.members, m.04jqqbs
United States presidential election in Ohio, 2012, common.topic.article, m.0h_b2nr
Executive Office of the President of the United States, government.governmental_body.members, m.09k873f
Executive Office of the President of the United States, government.governmental_body.members, m.052jhc_
United States Senate, government.government_position_held.governmental_body, m.0gm5f32
Executive Office of the President of the United States, government.governmental_body.members, m.01z0qwq
Executive Office of the President of the United States, business.employer.employees, m.07lqq51
m.052mbx6, government.government_position_held.governmental_body, Executive Office of the President of the United States
m.05gh7qx, government.government_position_held.governmental_body, Executive Office of the President of the United States
Executive Office of the President of the United States, business.employer.employees, m.052lsqd
Executive Office of the President of the United States, business.employer.employees, m.04j978b
m.09k8794, government.government_position_held.governmental_body, Executive Office of the President of the United States
Executive Office of the President of the United States, business.employer.employees, m.04g5nft
Executive Office of the President of the United States, government.governmental_body.members, m.052m8b1
Executive Office of the President of the United States, government.governmental_body.members, m.05gwyg2
Executive Office of the President of the United States, government.governmental_body.members, m.052lwd3
Executive Office of the President of the United States, business.employer.employees, m.07lqw_r
m.09k8732, government.government_position_held.governmental_body, Executive Office of the President of the United States
Executive Office of the President of the United States, common.topic.article, m.0c0cz
Executive Office of the President of the United States, government.governmental_body.members, m.052mbx6
m.09k877d, government.government_position_held.governmental_body, Executive Office of the President of the United States
Ohio State Senator, government.government_office_or_title.jurisdiction, Ohio
m.0nbz2xd, government.government_position_held.office_position_or_title, President pro tempore of the United States Senate
Executive Office of the President of the United States, common.topic.image, محل استقرار ستاد
Executive Office of the President of the United States, business.employer.employees, m.04hym8x
Executive Office of the President of the United States, government.governmental_body.members, m.04flfwv
Executive Office of the President of the United States, common.topic.image, Exec bldg
Executive Office of the President of the United States, government.governmental_body.members, m.09k87bc
m.051t17h, government.government_position_held.governmental_body, Executive Office of the President of the United States
m.05gh812, government.government_position_held.governmental_body, Executive Office of the President of the United States
Executive Office of the President of the United States, government.governmental_body.members, m.05bh_20
m.05fsj02, government.government_position_held.governmental_body, Executive Office of the President of the United States
m.09k87b1, government.government_position_held.governmental_body, Executive Office of the President of the United States
m.052jhd7, government.government_position_held.governmental_body, Executive Office of the President of the United States
Executive Office of the President of the United States, business.employer.employees, m.052m4fx
Executive Office of the President of the United States, government.governmental_body.members, m.04g5nj9
Executive Office of the President of the United States, government.governmental_body.members, m.09k876m
Executive Office of the President of the United States, base.schemastaging.context_name.pronunciation, m.0131534d
m.09k8772, government.government_position_held.governmental_body, Executive Office of the President of the United States
Executive Office of the President of the United States, business.employer.employees, m.0jsfrll
President pro tempore of the United States Senate, government.government_office_or_title.office_holders, m.0nbz0_p
m.052lwd3, government.government_position_held.governmental_body, Executive Office of the President of the United States
m.052jhc_, government.government_position_held.governmental_body, Executive Office of the President of the United States
Executive Office of the President of the United States, common.topic.webpage, m.05t5j16
m.09k875d, government.government_position_held.governmental_body, Executive Office of the President of the United States
Executive Office of the President of the United States, government.governmental_body.members, m.04jqq8w
m.04_5lb8, government.government_position_held.governmental_body, Executive Office of the President of the United States
m.01z0qwq, government.government_position_held.governmental_body, Executive Office of the President of the United States
Executive Office of the President of the United States, government.governmental_body.jurisdiction, United States of America
m.09k877q, government.government_position_held.governmental_body, Executive Office of the President of the United States
Executive Office of the President of the United States, business.employer.employees, m.05f1814
m.09k87cd, government.government_position_held.governmental_body, Executive Office of the President of the United States
Executive Office of the President of the United States, government.governmental_body.members, m.04flftx
Executive Office of the President of the United States, business.employer.employees, m.05fztvn
Executive Office of the President of the United States, government.governmental_body.members, m.05bhvfz
m.0gm5f32, government.government_position_held.office_holder, Rob Portman
m.08cqx1f, common.webpage.topic, Ohio Senate
m.04jqqbs, government.government_position_held.governmental_body, Executive Office of the President of the United States
m.09k875q, government.government_position_held.governmental_body, Executive Office of the President of the United States
m.09k8781, government.government_position_held.governmental_body, Executive Office of the President of the United States
m.05b8tvx, government.government_position_held.governmental_body, Executive Office of the President of the United States
Executive Office of the President of the United States, business.employer.employees, m.0gll2z5
Executive Office of the President of the United States, business.employer.employees, m.05ptxwr
Executive Office of the President of the United States, business.employer.employees, m.0jsfrks
m.04_5ls9, government.government_position_held.governmental_body, Executive Office of the President of the United States
Executive Office of the President of the United States, government.governmental_body.members, m.09k87g4
Executive Office of the President of the United States, business.employer.employees, m.0cgx45s
m.04kbw6r, government.government_position_held.governmental_body, Executive Office of the President of the United States
Executive Office of the President of the United States, government.governmental_body.members, m.0j35vth
m.04hzx_k, government.government_position_held.governmental_body, Executive Office of the President of the United States
United States Senate elections, 2006, time.event.locations, Ohio
United States Congress, government.governmental_body.offices_positions, President pro tempore of the United States Senate
United States Senate election in Ohio, 2010, common.topic.image, Rob Portman official photo
Executive Office of the President of the United States, business.employer.employees, m.04hdq2t
m.010q1jy2, government.government_position_held.governmental_body, Executive Office of the President of the United States
Executive Office of the President of the United States, government.governmental_body.members, m.0668r87
Ohio State Senator, common.topic.notable_for, g.125c1jtfp
m.04mmcc8, government.government_position_held.office_position_or_title, President pro tempore of the United States Senate
Executive Office of the President of the United States, government.governmental_body.members, m.09k8781
Ohio Senate, common.topic.article, m.03fkgm
Executive Office of the President of the United States, government.governmental_body.members, m.04_5kjz
Executive Office of the President of the United States, government.governmental_body.members, m.09k878p
United States presidential election in Ohio, 2012, common.topic.notable_for, g.125c5z1sj
Executive Office of the President of the United States, government.governmental_body.members, m.05g1cd0
Executive Office of the President of the United States, government.governmental_body.members, m.010q1jy2
Executive Office of the President of the United States, government.governmental_body.members, m.04_5kfv
m.052m8b1, government.government_position_held.governmental_body, Executive Office of the President of the United States
m.04jqqbb, government.government_position_held.governmental_body, Executive Office of the President of the United States
Executive Office of the President of the United States, government.governmental_body.members, m.09k878c
m.04_5kkc, government.government_position_held.governmental_body, Executive Office of the President of the United States
m.04d0pbs, government.government_position_held.governmental_body, Executive Office of the President of the United States
Executive Office of the President of the United States, government.governmental_body.members, m.05gh812
Executive Office of the President of the United States, government.governmental_body.members, m.09k8772
President pro tempore of the United States Senate, government.government_office_or_title.office_holders, m.0nbz2xd
Executive Office of the President of the United States, government.governmental_body.members, m.09k874t
United States Senate elections, 2010, government.general_election.contests, United States Senate election in Ohio, 2010
m.04hdwq_, government.government_position_held.governmental_body, Executive Office of the President of the United States
m.04fvqy2, government.government_position_held.governmental_body, Executive Office of the President of the United States
Executive Office of the President of the United States, government.governmental_body.members, m.09k87bn
m.05nlpmx, government.government_position_held.office_position_or_title, President pro tempore of the United States Senate
m.05f_33k, government.government_position_held.governmental_body, Executive Office of the President of the United States
Executive Office of the President of the United States, business.employer.employees, m.05kf97n
Ohio State Senator, government.government_office_or_title.governmental_body_if_any, Ohio Senate
United States Senate election in Ohio, 2010, common.topic.article, m.05233bx
Executive Office of the President of the United States, government.governmental_body.members, m.04kbw6r
Executive Office of the President of the United States, government.governmental_body.members, m.09k8794
m.04kbw71, government.government_position_held.governmental_body, Executive Office of the President of the United States
Executive Office of the President of the United States, government.governmental_body.members, m.05pv1bq
Executive Office of the President of the United States, government.governmental_body.members, m.04_5lb8
Executive Office of the President of the United States, business.employer.employees, m.05tsb1p
United States Senate election in Ohio, 2010, common.topic.notable_types, Election contest
Executive Office of the President of the United States, government.governmental_body.members, m.05g2cp1
m.04flftx, government.government_position_held.governmental_body, Executive Office of the President of the United States
m.04k1cy1, government.government_position_held.governmental_body, Executive Office of the President of the United States
Executive Office of the President of the United States, common.topic.notable_for, g.125byqg1p
Ohio, government.political_district.elections, United States Senate election in Ohio, 2010
Executive Office of the President of the United States, government.governmental_body.members, m.09k879g
Executive Office of the President of the United States, government.governmental_body.members, m.09k87by
United States Senate, government.governmental_body.jurisdiction, United States of America
Executive Office of the President of the United States, government.governmental_body.members, m.010q1syd
Ohio, base.biblioness.bibs_location.state, Cincinnati
United States Senate election in Ohio, 2010, government.election.general_election, United States Senate elections, 2010
m.0j35vth, government.government_position_held.governmental_body, Executive Office of the President of the United States
m.05g2cp1, government.government_position_held.governmental_body, Executive Office of the President of the United States
Executive Office of the President of the United States, government.governmental_body.members, m.09k8769
Executive Office of the President of the United States, government.governmental_body.members, m.04vwgf7
Executive Office of the President of the United States, government.governmental_body.members, m.05fsj02
Executive Office of the President of the United States, government.governmental_body.members, m.05g438r
m.09k8760, government.government_position_held.governmental_body, Executive Office of the President of the United States
Executive Office of the President of the United States, government.governmental_body.members, m.05bp2yr
Executive Office of the President of the United States, government.governmental_body.members, m.09k875d
Executive Office of the President of the United States, government.governmental_body.members, m.05gh7qx
Executive Office of the President of the United States, government.governmental_body.members, m.09k877d
m.09k87by, government.government_position_held.governmental_body, Executive Office of the President of the United States
Executive Office of the President of the United States, business.employer.employees, m.04g5nkk
m.09k873f, government.government_position_held.governmental_body, Executive Office of the President of the United States
Executive Office of the President of the United States, government.governmental_body.members, m.04cnx_5
United States Senate election in Ohio, 2010, government.election.office, United States Senator
Executive Office of the President of the United States, government.governmental_body.members, m.04hzxty
Ohio Senate, common.topic.webpage, m.05t623d
Executive Office of the President of the United States, government.government_agency.jurisdiction, United States of America
m.09k87cq, government.government_position_held.governmental_body, Executive Office of the President of the United States
Executive Office of the President of the United States, government.governmental_body.members, m.0527js1
m.09k878p, government.government_position_held.governmental_body, Executive Office of the President of the United States
Executive Office of the President of the United States, business.employer.employees, m.05t2f6g
Executive Office of the President of the United States, business.employer.employees, m.0g9bfz1
Executive Office of the President of the United States, government.governmental_body.members, m.04hzx_k
United States of America, people.person.nationality, Rob Portman
Executive Office of the President of the United States, government.governmental_body.members, m.09k873r
Executive Office of the President of the United States, government.governmental_body.members, m.04d0pgv
Executive Office of the President of the United States, government.governmental_body.members, m.09k879r
Executive Office of the President of the United States, government.governmental_body.members, m.051t17h
m.09k873r, government.government_position_held.governmental_body, Executive Office of the President of the United States
Executive Office of the President of the United States, government.governmental_body.members, m.04kbw71
Executive Office of the President of the United States, government.governmental_body.members, m.09k877q
m.05t623d, common.webpage.topic, Ohio Senate
Executive Office of the President of the United States, government.governmental_body.members, m.09k87dx
m.04hzxty, government.government_position_held.governmental_body, Executive Office of the President of the United States
Executive Office of the President of the United States, government.governmental_body.members, m.09k87cd
m.05bhvfz, government.government_position_held.governmental_body, Executive Office of the President of the United States
m.09k87dl, government.government_position_held.governmental_body, Executive Office of the President of the United States
Executive Office of the President of the United States, business.employer.employees, m.04j9779
Executive Office of the President of the United States, business.employer.employees, m.07lqdkr
m.09k87fk, government.government_position_held.governmental_body, Executive Office of the President of the United States
m.04g5nj9, government.government_position_held.governmental_body, Executive Office of the President of the United States
m.04kby0b, government.government_position_held.governmental_body, Executive Office of the President of the United States
m.0527js1, government.government_position_held.governmental_body, Executive Office of the President of the United States
Executive Office of the President of the United States, business.employer.employees, m.07f84gp
m.09k8753, government.government_position_held.governmental_body, Executive Office of the President of the United States
Executive Office of the President of the United States, business.employer.employees, m.05g5t96
Executive Office of the President of the United States, government.government_agency.jurisdiction, United States of America
m.05gwyg2, government.government_position_held.governmental_body, Executive Office of the President of the United States
Executive Office of the President of the United States, business.employer.employees, m.07tk_2z
Executive Office of the President of the United States, government.governmental_body.members, m.09k8732
m.05g1cd0, government.government_position_held.governmental_body, Executive Office of the President of the United States
Ohio State Senator, common.topic.notable_types, Government Office or Title
Ohio Senate, common.topic.notable_for, g.1257kj9vl
m.09k874t, government.government_position_held.governmental_body, Executive Office of the President of the United States
Executive Office of the President of the United States, government.governmental_body.members, m.09k87fk
Executive Office of the President of the United States, business.employer.employees, m.04fvqsf
Executive Office of the President of the United States, government.governmental_body.members, m.09k8753
m.04_5kjz, government.government_position_held.governmental_body, Executive Office of the President of the United States
m.09k878c, government.government_position_held.governmental_body, Executive Office of the President of the United States
m.05bh_20, government.government_position_held.governmental_body, Executive Office of the President of the United States
Executive Office of the President of the United States, government.governmental_body.members, m.04d0pbs
Ohio, government.governmental_jurisdiction.government_positions, Ohio State Senator
Executive Office of the President of the United States, government.governmental_body.members, m.09k8760
Executive Office of the President of the United States, government.governmental_body.members, m.04jqqbb
m.05pv1bq, government.government_position_held.governmental_body, Executive Office of the President of the United States
Executive Office of the President of the United States, government.governmental_body.members, m.09k87f6
m.04_2vlm, government.government_position_held.governmental_body, Executive Office of the President of the United States
Executive Office of the President of the United States, government.governmental_body.members, m.09k87b1
m.09k8740, government.government_position_held.governmental_body, Executive Office of the President of the United States
m.05bh_kg, government.government_position_held.governmental_body, Executive Office of the President of the United States
Ohio Senate, government.governmental_body.offices_positions, Ohio State Senator
Executive Office of the President of the United States, business.employer.employees, m.05fvf05
m.0j34rt6, government.government_position_held.governmental_body, Executive Office of the President of the United States
President pro tempore of the United States Senate, government.government_office_or_title.office_holders, m.04mmcc8
Executive Office of the President of the United States, business.employer.employees, m.04j6cc3
m.09rfdwh, government.government_position_held.office_position_or_title, President pro tempore of the United States Senate
Executive Office of the President of the United States, government.governmental_body.members, m.04fvqy2
Executive Office of the President of the United States, government.governmental_body.members, m.09k87dl
Executive Office of the President of the United States, business.employer.employees, m.07lqk5d
Executive Office of the President of the United States, government.governmental_body.members, m.04g5n0w
m.09k87fv, government.government_position_held.governmental_body, Executive Office of the President of the United States
Executive Office of the President of the United States, business.employer.employees, m.05t2fmy
m.0668r87, government.government_position_held.governmental_body, Executive Office of the President of the United States
m.04d0pgv, government.government_position_held.governmental_body, Executive Office of the President of the United States
m.09k874h, government.government_position_held.governmental_body, Executive Office of the President of the United States
m.010q1syd, government.government_position_held.governmental_body, Executive Office of the President of the United States
Ohio, government.political_district.representatives, m.0gm5f32
m.09k87d9, government.government_position_held.governmental_body, Executive Office of the President of the United States
Executive Office of the President of the United States, business.employer.employees, m.04j9770
Executive Office of the President of the United States, government.governmental_body.members, m.05kf1l3
m.04_5kfv, government.government_position_held.governmental_body, Executive Office of the President of the United States
Executive Office of the President of the United States, government.governmental_body.members, m.09k8740
m.09k87f6, government.government_position_held.governmental_body, Executive Office of the President of the United States
m.05g438r, government.government_position_held.governmental_body, Executive Office of the President of the United States
m.09k8753, government.government_position_held.office_holder, Rob Portman
President pro tempore of the United States Senate, government.government_office_or_title.office_holders, m.05nlpmx
m.09k879g, government.government_position_held.governmental_body, Executive Office of the President of the United States
Ohio Senate, common.topic.webpage, m.08cqx1f
m.09k87bc, government.government_position_held.governmental_body, Executive Office of the President of the United States

Answer: Rob Portman