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 actor from Futureworld was married to Betty White? 
Knowledge Triplets: Betty White, award.award_nominee.award_nominations, m.0ly_zz2
Betty White, award.award_nominee.award_nominations, m.0whmndw
m.09yftxj, common.webpage.resource, Clip du Jour: Ryan Reynolds vs. Betty White
m.0gwnx60, film.performance.actor, Betty White
Betty White, common.topic.article, m.025mc6
Betty White, film.actor.film, m.052dlhx
m.0v2v4s4, award.award_nomination.award_nominee, Betty White
m.0nfjnvb, award.award_honor.award_winner, Betty White
TV Personality, people.person.profession, Allen Ludden
m.07shtfr, award.award_nomination.award_nominee, Betty White
m.0wczlql, tv.tv_regular_personal_appearance.person, Betty White
Presenter, people.person.profession, Allen Ludden
Betty White, film.actor.film, g.11b6v7_n_6
m.0911nx5, award.award_nomination.award_nominee, Betty White
m.0c5n2xk, tv.regular_tv_appearance.actor, Betty White
I lived this story, book.written_work.author, Betty White
Betty White, people.person.parents, Tess Curtis White
m.07shtnj, award.award_nomination.award_nominee, Betty White
Betty White, common.topic.webpage, m.09yx67h
Betty White, common.image.appears_in_topic_gallery, Betty White
Betty White, film.actor.film, m.0gy8drg
Betty White, common.topic.image, Betty White (1989 cropped)
Betty White, people.person.profession, Presenter
m.0j1_40b, award.award_nomination.award_nominee, Betty White
Betty White, film.actor.film, m.0vp6gy_
Betty White, people.person.ethnicity, German American
Betty White, award.award_winner.awards_won, m.0z85fz7
Betty White, tv.tv_actor.starring_roles, m.021_g2x
Betty White, people.person.profession, Voice Actor
Betty White, award.award_nominee.award_nominations, m.0k8645h
Betty White, film.actor.film, m.0cg602_
Samuel Z. Arkoff, film.producer.film, Futureworld
m.07t752b, award.award_nomination.award_nominee, Betty White
Betty White's Off Their Rockers, tv.tv_program.country_of_origin, United States of America
m.021_fzm, people.marriage.spouse, Allen Ludden
Betty White, award.award_nominee.award_nominations, m.0ndsg20
Betty White, people.person.ethnicity, Welsh American
m.01140gjb, award.award_nomination.nominated_for, Betty White's Off Their Rockers
m.09x69lh, common.webpage.resource, Sandra Bullock to present SAG lifetime achievement award to Betty White
m.0gjf66w, award.award_honor.award_winner, Betty White
m.0djbgm7, film.performance.actor, Betty White
m.09xh60r, common.webpage.topic, Betty White
Betty White, film.actor.film, m.04ddj96
Betty White, people.person.spouse_s, m.0hyc1qh
Betty White, tv.tv_actor.starring_roles, m.021_g36
Betty White, common.topic.webpage, m.09wvh7v
Fred Karlin, film.music_contributor.film, Futureworld
Richard T. Heffron, film.director.film, Futureworld
Clip du Jour: Ryan Reynolds vs. Betty White, common.resource.annotations, m.09yftxj
Betty White, award.award_nominee.award_nominations, m.0w8lfpz
Betty White, award.award_nominee.award_nominations, m.07shth4
Futureworld, film.film.starring, m.0vxc4ml
Betty White, film.actor.film, m.0wc5bkj
m.0911nsk, award.award_nomination.award_nominee, Betty White
Betty White, people.person.languages, English Language
Betty White, tv.tv_actor.starring_roles, m.0j9tc_d
m.0ndsg20, award.award_nomination.award_nominee, Betty White
m.07tvlj8, award.award_honor.award_winner, Betty White
m.0gy8dpv, people.marriage.spouse, Betty White
m.03jtc1k, tv.regular_tv_appearance.actor, Betty White
m.0bmn13y, tv.regular_tv_appearance.actor, Betty White
m.0cg1qlh, film.performance.actor, Betty White
Betty White, people.person.profession, Singer
Betty White, people.person.profession, Comedian
Betty White, film.actor.film, m.04ddj45
Futureworld, film.film.directed_by, Richard T. Heffron
m.09hz9d6, tv.regular_tv_appearance.actor, Betty White
m.07t78pm, award.award_honor.award_winner, Betty White
Futureworld, film.film.starring, m.0vxc45n
m.07shth4, award.award_nomination.award_nominee, Betty White
m.0h6c74r, film.personal_film_appearance.person, Betty White
Betty White, film.actor.film, m.03jsb0j
Betty White, book.author.works_written, I lived this story
Betty White, common.topic.webpage, m.09ypbwp
m.0wc5bkj, film.performance.actor, Betty White
m.0911nv6, award.award_nomination.award_nominee, Betty White
m.0bvby4y, award.hall_of_fame_induction.inductee, Betty White
Betty White, film.actor.dubbing_performances, m.0nfkhhh
m.07twtqy, award.award_nomination.award_nominee, Betty White
Futureworld, film.film.starring, m.0vx84q7
Futureworld, film.film.starring, m.0vx89z7
m.0pdkb84, tv.regular_tv_appearance.actor, Betty White
m.0c02qkv, award.award_nomination.award_nominee, Betty White
m.0ngw99w, film.personal_film_appearance.person, Betty White
Futureworld, film.film.starring, m.0vx8d9x
m.0hyc1qh, people.marriage.spouse, Betty White
Betty White, award.award_nominee.award_nominations, m.07twr55
m.09xzknq, common.webpage.topic, Betty White
m.021_g1y, common.webpage.topic, Betty White
m.0khdvf6, tv.regular_tv_appearance.actor, Betty White
m.0gy8dsy, tv.regular_tv_appearance.actor, Betty White
Futureworld, film.film.starring, m.0dk0672
m.0nfjnxh, award.award_nomination.award_nominee, Betty White
m.065rkth, film.performance.actor, Betty White
Betty White, award.award_nominee.award_nominations, m.0z8hlch
m.0gy8dqr, people.place_lived.person, Betty White
m.0jsnr7w, tv.regular_tv_appearance.actor, Betty White
James Mitchell, film.editor.film, Futureworld
Betty White, award.award_nominee.award_nominations, m.07t752b
Sandra Bullock to present SAG lifetime achievement award to Betty White, common.resource.annotations, m.09x69lh
m.0hnjl5g, award.award_nomination.award_nominee, Betty White
m.0r9jh54, award.award_nomination.award_nominee, Betty White
Betty White's Off Their Rockers, tv.tv_program.regular_personal_appearances, m.0wczlql
Betty White, film.actor.film, m.0cg8xhx
m.0whx753, people.place_lived.person, Betty White
m.09ypbwp, common.webpage.topic, Betty White
m.0b47cv0, common.webpage.topic, Betty White
Betty White, tv.tv_actor.starring_roles, m.0kh0ms_
Betty White, common.topic.webpage, m.09ylkmz
m.02vd0pj, film.performance.actor, Betty White
m.02t8nt9, tv.regular_tv_appearance.actor, Betty White
m.040k5xs, tv.regular_tv_appearance.actor, Betty White
Futureworld, film.film.starring, m.0vx873b
Betty White, award.award_nominee.award_nominations, m.07shtfr
m.0940kq0, common.webpage.topic, Betty White
m.0w8lfpz, award.award_nomination.award_nominee, Betty White
Betty White, people.person.places_lived, m.0gy8dqr
Betty White, tv.tv_actor.starring_roles, m.0bmn13y
m.0z9t2yb, award.award_nomination.award_nominee, Betty White
Futureworld, film.film.starring, m.0vx85mr
m.05cmmsj, tv.regular_tv_appearance.actor, Betty White
m.09ylkmz, common.webpage.topic, Betty White
Futureworld, film.film.starring, m.0vx8bvk
Betty White, award.award_nominee.award_nominations, m.0vs5f21
Betty White, award.award_nominee.award_nominations, m.0gjf60m
Betty White, tv.tv_actor.starring_roles, m.0hnjgj_
m.093_zl1, common.webpage.topic, Betty White
m.07shtmd, award.award_nomination.award_nominee, Betty White
Betty White, tv.tv_personality.tv_regular_appearances, m.0nfjp5b
m.0cg9kyq, film.performance.actor, Betty White
m.0cqq96r, award.award_honor.award_winner, Betty White
Betty White, film.actor.film, m.03lbz90
m.0nfjp5b, tv.tv_regular_personal_appearance.person, Betty White
Betty White, tv.tv_actor.starring_roles, m.0h9dtkz
Betty White, award.award_nominee.award_nominations, m.07shtnj
Futureworld, film.film.starring, m.0vx88yh
m.06mg3m3, book.written_work.author, Betty White
Betty White, tv.tv_actor.starring_roles, m.05clvln
Betty White, common.topic.webpage, m.0b47cv0
Betty White, common.topic.webpage, m.09xh60r
m.0911nyb, award.award_nomination.award_nominee, Betty White
m.0p6djrw, award.award_honor.award_winner, Betty White
Betty White, common.topic.webpage, m.09436sl
m.0f_wr92, tv.regular_tv_appearance.series, The Betty White Show
m.03jr16m, tv.regular_tv_appearance.actor, Betty White
m.0k8645h, award.award_nomination.award_nominee, Betty White
Futureworld, film.film.starring, m.0vx83z2
Betty White, award.award_nominee.award_nominations, m.0nfjnxh
The Betty White Show, tv.tv_program.country_of_origin, United States of America
m.0vtzpty, film.personal_film_appearance.person, Betty White
m.0vs5fff, award.award_honor.award_winner, Betty White
Betty White, tv.tv_actor.starring_roles, m.040k5xs
Betty White, tv.tv_actor.starring_roles, m.05tdnh_
Betty White, book.author.works_written, Here We Go Again
m.0fq7j41, award.award_nomination.award_nominee, Betty White
Betty White, tv.tv_personality.tv_regular_appearances, m.0zmt6kx
Betty White, people.person.places_lived, m.0whx753
Betty White, film.actor.film, m.03jpmd3
m.0l7ktdf, tv.regular_tv_appearance.actor, Betty White
Betty White, people.person.gender, Female
Betty White, award.award_nominee.award_nominations, m.07t757y
m.03jtgw1, tv.regular_tv_appearance.actor, Betty White
m.0mz3mxh, award.award_nomination.award_nominee, Betty White
m.07twrbj, award.award_nomination.award_nominee, Betty White
Betty White, people.person.spouse_s, m.021_fzm
Betty White, people.person.ethnicity, Greek American
Betty White (1989 cropped), common.image.appears_in_topic_gallery, Betty White
m.0k8645h, award.award_nomination.nominated_for, Betty White's Off Their Rockers
m.05clvln, tv.regular_tv_appearance.actor, Betty White
m.021_g4g, tv.regular_tv_appearance.actor, Betty White
Betty White, people.person.ethnicity, Danish American
Betty White, book.author.works_written, m.06mg3m3
Betty White, people.person.profession, Author
Futureworld, film.performance.film, m.04s_yvg
Betty White, tv.tv_actor.starring_roles, m.0h9dlqh
United States of America, people.person.nationality, Allen Ludden
Betty White, award.award_nominee.award_nominations, m.0vsnqww
m.05tdnh_, tv.regular_tv_appearance.actor, Betty White
m.0cgnblw, film.performance.actor, Betty White
Betty White, freebase.valuenotation.is_reviewed, Country of nationality
Happy Birthday, Betty White!, common.resource.annotations, m.09xzknq
Betty White, film.person_or_entity_appearing_in_film.films, m.0vtzpty
Betty White, people.person.profession, Actor
Betty White, award.award_nominee.award_nominations, m.0v2v4s4
Betty White, tv.tv_actor.starring_roles, m.05cmmsj
m.0f_yc52, tv.regular_tv_appearance.actor, Betty White
Futureworld, film.film.starring, m.0vx8bl3
Welsh American, people.ethnicity.people, Betty White
m.0sg870x, film.personal_film_appearance.person, Betty White
m.03lpfgc, tv.regular_tv_appearance.actor, Betty White
Betty White, people.person.profession, Writer
Actor, people.person.profession, Allen Ludden
The Betty White Show, tv.tv_program.regular_cast, m.021_g36
Betty White, tv.tv_actor.starring_roles, m.07smpyp
The Betty White Show, tv.tv_program.regular_cast, m.0f_wr92
m.0w8lfpz, award.award_nomination.nominated_for, Betty White's Off Their Rockers
Futureworld, film.film.starring, m.0vx847w
m.0cg8xhx, film.performance.actor, Betty White
Futureworld, film.film.edited_by, James Mitchell
Futureworld, film.film.starring, m.0vx811g
Futureworld, film.film.starring, m.0vxc5lz
m.0gy8drg, film.performance.actor, Betty White
m.0vsnqww, award.award_nomination.award_nominee, Betty White
m.04s_yvg, film.performance.actor, Allen Ludden
Betty White, symbols.name_source.namesakes, Betty
m.0hnjgj_, tv.regular_tv_appearance.actor, Betty White
m.0gjf60m, award.award_nomination.award_nominee, Betty White
m.0gy8dq8, education.education.student, Betty White
Betty White, people.person.education, m.0d0xjk6
m.0p6g3b0, award.award_honor.award_winner, Betty White
Betty White, film.actor.film, m.0djbgm7
m.0wczlql, tv.tv_regular_personal_appearance.program, Betty White's Off Their Rockers
Betty White, tv.tv_actor.starring_roles, m.0pdkb84
Let It Grow, music.recording.artist, Betty White
m.07smpyp, tv.regular_tv_appearance.actor, Betty White
Betty White's Off Their Rockers, tv.tv_program.languages, English Language
Betty White, tv.tv_actor.starring_roles, m.021_g4g
m.0h8p9_l, award.award_nomination.award_nominee, Betty White
Betty White, film.actor.film, m.02vd0pj
m.09ysgvf, common.webpage.topic, Betty White
m.0whmndw, award.award_nomination.award_nominee, Betty White
Betty White, tv.tv_actor.starring_roles, m.0jsnr7w
m.0kh0ms_, tv.regular_tv_appearance.actor, Betty White
m.03jpmd3, film.performance.actor, Betty White
m.0ly_zz2, award.award_nomination.award_nominee, Betty White
Betty White, common.topic.webpage, m.09x69lh
m.0z998g4, award.award_honor.award_winner, Betty White
Betty White, people.person.place_of_birth, Oak Park
m.09yx67h, common.webpage.topic, Betty White
m.0bns8py, common.webpage.topic, Betty White
m.07t75hk, award.award_nomination.award_nominee, Betty White
Betty White, award.award_nominee.award_nominations, m.07shtl1
Betty White, people.person.nationality, United States of America
Betty White, award.award_nominee.award_nominations, m.0c02qkv
Betty White, tv.tv_actor.starring_roles, m.021_g44
Betty White, people.person.profession, Presenter
Betty White, film.actor.film, m.08nbz0h
m.0z8hlch, award.award_nomination.award_nominee, Betty White
Futureworld, film.film.starring, m.0vx8fjc
Betty White, people.person.profession, Television producer
Betty White's Off Their Rockers, tv.tv_program.genre, Reality television
m.094jyc8, common.webpage.topic, Betty White
Betty White, tv.tv_personality.tv_regular_appearances, m.0wczlql
Betty White, film.actor.film, m.0dgl2y6
m.0j9tc_d, tv.regular_tv_appearance.actor, Betty White
m.0hnjm03, award.award_nomination.award_nominee, Betty White
Betty White, common.topic.notable_types, Film actor
Betty White, people.person.parents, Horace Lawrence White
Betty White, award.award_nominee.award_nominations, m.07shtkd
m.0n4mxvx, award.award_nomination.award_nominee, Betty White
m.03pqbw0, people.place_lived.person, Betty White
Futureworld, film.film.starring, m.0vxc4y0
Betty White, film.actor.film, m.0cs5y6_
m.0vp6gy_, film.performance.actor, Betty White
Betty White, people.person.profession, TV Personality
m.0fq7h9t, award.award_nomination.award_nominee, Betty White
Betty White, people.marriage.spouse, m.021_fzm
m.07t757y, award.award_nomination.award_nominee, Betty White
Betty White, common.topic.webpage, m.021_g1y
m.07shrxf, award.award_honor.award_winner, Betty White
Betty White, common.topic.image, Betty White
Futureworld, film.film.starring, m.02vcbdz
Futureworld, film.film.starring, m.0vx8dv9
Betty White, award.award_nominee.award_nominations, m.07t75gg
Danish American, people.ethnicity.people, Betty White
Betty White, common.topic.webpage, m.09yl50t
Futureworld, film.film.starring, m.0vx8cq1
Betty White, tv.tv_actor.starring_roles, m.0gy8dsy
Betty White, film.actor.film, m.0cg1qlh
m.0z85fz7, award.award_honor.award_winner, Betty White
Futureworld, film.film.starring, m.0vx828j
m.021_g44, tv.regular_tv_appearance.actor, Betty White
Betty White, common.topic.webpage, m.094jyc8
Betty White, people.person.ethnicity, English American
Betty White, film.actor.film, m.0jvtzt
Greek American, people.ethnicity.people, Betty White
Tess Curtis White, people.person.children, Betty White
m.0w28hlt, film.performance.actor, Betty White
Futureworld, film.film.country, United States of America
Betty White, tv.tv_actor.starring_roles, m.02t8nt9
m.0h5v7cn, film.performance.actor, Betty White
m.09yrq05, common.webpage.resource, 'Santa' Betty White tells Craig Ferguson exactly where he can stuff a few dollars this Christmas
Betty White, film.actor.film, m.0w28hlt
m.0vs5f21, award.award_nomination.award_nominee, Betty White
Here We Go Again, book.written_work.author, Betty White
Betty White, freebase.valuenotation.has_no_value, Children
Betty White, tv.tv_actor.starring_roles, m.03jtgw1
Betty White, award.award_nominee.award_nominations, m.0z9t2yb
m.0z9t2kd, award.award_honor.award_winner, Betty White
Betty White, award.award_nominee.award_nominations, m.07twtqy
m.09x69lh, common.webpage.topic, Betty White
Futureworld, film.film.starring, m.0vx89m5
Futureworld, film.film.starring, m.0vx86pz
Betty White, people.person.religion, Unity Church
Betty White, film.actor.film, m.0cg9kyq
Betty White, tv.tv_actor.starring_roles, m.0dfgk5j
Betty White, common.topic.webpage, m.09ysgvf
Betty White, tv.tv_actor.starring_roles, m.03jr16m
m.052dlhx, film.performance.actor, Betty White
Betty White, people.person.profession, Actor
Betty White, common.topic.webpage, m.09y5y5n
Betty White, tv.tv_actor.starring_roles, m.03jtc1k
Betty White, freebase.valuenotation.is_reviewed, Place of birth
m.0cg602_, film.performance.actor, Betty White
m.0n4mn_g, award.award_nomination.award_nominee, Betty White
The Betty White Show, tv.tv_program.languages, English Language
Betty White, film.person_or_entity_appearing_in_film.films, m.0h6c74r
m.0cs5y6_, film.performance.actor, Betty White
Betty White, people.person.profession, TV Personality
Betty White, award.award_nominee.award_nominations, m.07t75hk
m.0h9dlqh, tv.regular_tv_appearance.actor, Betty White
Betty White, film.person_or_entity_appearing_in_film.films, m.0sg870x
m.0nfkhhh, film.dubbing_performance.actor, Betty White
m.094h9n9, common.webpage.topic, Betty White
Betty White, common.topic.webpage, m.09xzknq
Betty White, common.topic.webpage, m.09yrq05
Betty White, award.award_nominee.award_nominations, m.07shtj7
Betty White, people.person.education, m.0gy8dq8
m.0dfgk5j, tv.regular_tv_appearance.actor, Betty White
Betty White (1989 cropped), common.image.size, m.03rm0jp
Betty White, common.image.size, m.02f1vk4
m.01140gjb, award.award_nomination.award_nominee, Betty White
Gene Polito, film.cinematographer.film, Futureworld
Betty White, tv.tv_actor.starring_roles, m.03lpfgc
m.0dgl2y6, film.performance.actor, Betty White
m.0p82f_x, award.award_honor.award_winner, Betty White
Betty White, freebase.valuenotation.is_reviewed, Gender
Futureworld, film.film.starring, m.0vx830f
m.09y5y5n, common.webpage.topic, Betty White
Betty White, common.topic.webpage, m.093_zl1
m.0f_wr92, tv.regular_tv_appearance.actor, Betty White
Betty White, award.award_nominee.award_nominations, m.0p2gbhk
Betty White, common.topic.webpage, m.0bns8py
Betty White, common.topic.notable_for, g.1259x8jjx
m.07shtkd, award.award_nomination.award_nominee, Betty White
m.0j1tmvf, award.award_honor.award_winner, Betty White
Betty White, film.person_or_entity_appearing_in_film.films, m.0ngw99w
m.021_g36, tv.regular_tv_appearance.actor, Betty White
Betty White, base.schemastaging.person_extra.net_worth, m.0j8mjv5
Betty White, people.person.spouse_s, m.0gy8dpv
Betty White, freebase.valuenotation.is_reviewed, Date of birth
Futureworld, film.film.starring, m.0vx88m7
Betty White, tv.tv_actor.starring_roles, m.0f_wr92
Betty White, film.actor.film, m.0gwnx60
m.09wvh7v, common.webpage.topic, Betty White
Betty White, film.actor.film, m.0cgnblw
m.0vp6hm5, people.marriage.spouse, Tess Curtis White
Betty White, award.award_nominee.award_nominations, m.0n4mxvx
m.0myx97j, award.award_nomination.award_nominee, Betty White
Betty White, film.actor.film, m.065rkth
m.021_g2x, tv.regular_tv_appearance.actor, Betty White
m.0whmnb6, award.award_honor.award_winner, Betty White
m.08nbz0h, film.performance.actor, Betty White
m.021_g36, tv.regular_tv_appearance.series, The Betty White Show
m.09yrq05, common.webpage.topic, Betty White
m.021_fzm, people.marriage.spouse, Betty White
m.09436sl, common.webpage.topic, Betty White
m.0g99pvg, film.performance.actor, Betty White
Betty White, award.award_nominee.award_nominations, m.07shtmd
Betty White, award.award_nominee.award_nominations, m.0mz3mxh
Futureworld, film.film.starring, m.0vx867d
m.03jsb0j, film.performance.actor, Betty White
m.07t6_vw, award.award_nomination.award_nominee, Betty White
Futureworld, film.film.music, Fred Karlin
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Answer: Allen Ludden