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: Of the people that Demi Lovato was dating, which celebrity, had a romantic relationship that terminated the earliest? 
Knowledge Triplets: Patrick Lovato, people.person.children, Dallas Lovato
m.01041_p3, celebrities.romantic_relationship.celebrity, Demi Lovato
m.09wnhrq, common.webpage.topic, Demi Lovato
Demi Lovato, film.actor.film, m.0y55m8c
Demi Lovato, music.artist.contribution, m.0w2sss8
Demi Lovato, music.artist.label, Walt Disney Records
Demi Lovato, film.actor.film, m.09rjkzr
m.09y60d5, common.webpage.topic, Demi Lovato
Demi Lovato, common.topic.webpage, m.09wlt36
Demi Lovato, base.popstra.celebrity.shops_at, m.064ggqg
m.09rjkyp, celebrities.friendship.friend, Demi Lovato
Amber Lovato, people.person.parents, Patrick Lovato
demi_lovato.jpg, common.image.appears_in_topic_gallery, Demi Lovato
Demi Lovato, base.popstra.celebrity.supporter, m.0dl63fg
m.0w0z9fm, tv.tv_guest_personal_appearance.person, Demi Lovato
Best Friends Forever: Selena Gomez & Demi Lovato: An Unauthorized Biography, common.topic.notable_for, g.125ct5xzt
Dallas Lovato, people.person.nationality, United States of America
2012 Teen Choice Awards, time.event.people_involved, Demi Lovato
Demi Lovato, people.person.places_lived, m.0_vnzfj
m.07sy59b, base.litcentral.person_full_name.nickname_s, Demi Lovato
m.09y8cb0, common.webpage.topic, Demi Lovato
Demi Lovato, common.topic.image, 418px-DemiLovatoApr09.jpg
m.065phq_, base.popstra.friendship.participant, Demi Lovato
Demi Lovato, people.person.profession, Singer-songwriter
Demi Lovato, people.person.places_lived, m.03pkm30
Demi Lovato, people.person.education, m.0sw0nwh
m.0cq9shl, celebrities.romantic_relationship.celebrity, Joe Jonas
Dallas Lovato, people.person.gender, Female
m.0_xw9hk, celebrities.romantic_relationship.celebrity, Wilmer Valderrama
m.09wpjd9, common.webpage.topic, Demi Lovato
Demi Lovato, base.popstra.celebrity.religion, m.064cv_y
m.0d_xbsn, common.webpage.topic, Demi Lovato
Demi Lovato, music.recording.featured_artists, Send It On
Demi Lovato, film.person_or_entity_appearing_in_film.films, m.0y5664f
m.0m1z20g, tv.tv_regular_personal_appearance.person, Demi Lovato
Demi Lovato, common.topic.webpage, m.09ygw3v
m.0y564_n, film.personal_film_appearance.person, Demi Lovato
Demi Lovato, common.topic.image, Demi-May-2011-People-Magazine-demi-lovato-21277503-1896-2560.jpg
Demi Lovato, base.popstra.celebrity.eats_at, m.063gdh7
m.064j62g, base.popstra.friendship.participant, Demi Lovato
Demi Lovato, internet.blogger.blog, ddlovato
Demi Lovato, tv.tv_personality.tv_regular_appearances, m.0m1z20g
Demi Lovato, common.topic.image, Demi-Lovato-Seventeen-Magazine-Cover1.jpg
m.09wlff_, common.webpage.topic, Demi Lovato
Demi Lovato, music.artist.label, Universal Music Group
Demi Lovato, people.person.profession, Dancer
m.0cxm3gv, celebrities.friendship.friend, Demi Lovato
Demi Lovato, music.artist.contribution, m.0w0xgsb
Demi Lovato, base.popstra.celebrity.friendship, m.064hjgs
Demi Lovato, base.popstra.celebrity.wears, m.064ggdb
Demi Lovato in Glamour Magazine for Jan 2012 01.jpg, common.image.size, m.0jb5czj
Demi Lovato in Glamour Magazine for Jan 2012 01.jpg, common.image.appears_in_topic_gallery, Demi Lovato
Demi Lovato, book.book_subject.works, Demi Lovato (A Robbie Readers) (Robbie Reader Contemporary Biographies)
Demi Lovato, music.artist.album, Demi
Country of nationality, freebase.valuenotation.is_reviewed, Joe Jonas
Demi Lovato, freebase.valuenotation.is_reviewed, Date of birth
m.09wlt42, common.webpage.resource, Demi Lovato tops albums chart, but Michael Jackson outsells her
Demi Lovato, base.popstra.celebrity.dated, m.065py_5
m.064cvl8, base.popstra.dated.participant, Demi Lovato
m.09wlt36, common.webpage.resource, Demi Lovato tops albums chart, but Michael Jackson outsells her
Demi Lovato and Selena Gomez: The Complete Unofficial Story of the BFFs, book.written_work.author, Lucy Rutherford
Demi Lovato tops albums chart, but Michael Jackson outsells her, common.resource.annotations, m.09wlt36
Demi Lovato, common.topic.image, demi-lovato-rihanna-t-shirt-fabulous.jpg
Contemporary R&B, music.artist.genre, Joe Jonas
Date of birth, freebase.valuenotation.is_reviewed, Joe Jonas
Demi Lovato, people.person.profession, Musician
Don't Forget, music.composer.compositions, Joe Jonas
Demi Lovato, music.artist.label, Hollywood Records
Teen pop, music.artist.genre, Joe Jonas
Demi Lovato, base.popstra.celebrity.friendship, m.064hjgs
Demi Lovato, film.person_or_entity_appearing_in_film.films, m.0y564bw
Demi Lovato, common.topic.webpage, m.03l1b3c
m.0y5661h, film.personal_film_appearance.person, Demi Lovato
Demi Lovato, people.person.profession, TV Personality
Demi Lovato, people.person.languages, English Language
m.0cxm3hb, celebrities.friendship.friend, Demi Lovato
Best Friends Forever: Selena Gomez & Demi Lovato: An Unauthorized Biography, common.topic.notable_types, Written Work
Demi Lovato, music.artist.contribution, m.0w0z347
Demi Lovato, common.topic.webpage, m.0bnr3l9
m.03pkm30, people.place_lived.person, Demi Lovato
Place of birth, freebase.valuenotation.is_reviewed, Joe Jonas
Demi Lovato, people.person.profession, Dancer
Demi Lovato, people.person.sibling_s, m.07syfkk
Demi Lovato and Selena Gomez: The Complete Unofficial Story of the BFFs, book.written_work.subjects, Demi Lovato
Demi Lovato, celebrities.celebrity.celebrity_friends, m.09rjkyv
Demi Lovato, music.artist.album, Get Back
Demi Lovato, music.composition.composer, Gonna Get Caught
m.0_xw9hk, celebrities.romantic_relationship.celebrity, Demi Lovato
m.0w9ztm9, tv.tv_guest_personal_appearance.person, Demi Lovato
imagesCAUF34ZU.jpg, common.image.appears_in_topic_gallery, Demi Lovato
m.07syfkk, people.sibling_relationship.sibling, Dallas Lovato
Best Friends Forever: Selena Gomez & Demi Lovato: An Unauthorized Biography, book.written_work.subjects, Demi Lovato
m.06461k9, base.popstra.friendship.participant, Demi Lovato
Demi Lovato, base.popstra.celebrity.dated, m.063gd6q
m.0y564bw, film.personal_film_appearance.person, Demi Lovato
m.064gh0b, base.popstra.party_attendance_person.person, Demi Lovato
m.0cq9hwb, base.popstra.friendship.participant, Demi Lovato
Demi Lovato, people.person.ethnicity, Italian American
m.0y61rct, people.sibling_relationship.sibling, Amber Lovato
Demi Lovato, base.schemastaging.person_extra.net_worth, m.0n9j60_
m.0w0z8gk, tv.tv_guest_personal_appearance.person, Demi Lovato
Demi Lovato and Selena Gomez: The Complete Unofficial Story of the BFFs, common.topic.notable_for, g.1258f4wxy
Demi Lovato, base.popstra.celebrity.wears, m.064ggbq
m.0w0z86y, tv.tv_guest_personal_appearance.person, Demi Lovato
Demi-May-2011-People-Magazine-demi-lovato-21277503-1896-2560.jpg, common.image.appears_in_topic_gallery, Demi Lovato
Hollywood Records, music.artist.label, Joe Jonas
m.09w7sbc, common.webpage.topic, Demi Lovato
Patrick Lovato, people.person.spouse_s, m.07syg9m
m.09y5__b, common.webpage.topic, Demi Lovato
Demi Lovato, common.topic.image, constance-marie-and-daughter-luna-red-carpet-1RNEeZ.jpg
Demi Lovato, people.person.parents, Dianna Hart
Demi Lovato, film.person_or_entity_appearing_in_film.films, m.0y565z8
Demi Lovato, music.artist.label, Island Records
Dallas Lovato, people.person.parents, Patrick Lovato
Without the Love, music.recording.artist, Demi Lovato
m.0w9ztfb, tv.tv_guest_personal_appearance.person, Demi Lovato
m.0y5cwcr, tv.tv_regular_personal_appearance.person, Demi Lovato
Pop rock, music.artist.genre, Joe Jonas
Demi Lovato, celebrities.celebrity.celebrity_friends, m.0cxm3gv
Demi Lovato, music.artist.genre, Contemporary R&B
Demi Lovato, base.popstra.celebrity.wears, m.064ggs3
Demi Lovato (A Robbie Readers) (Robbie Reader Contemporary Biographies), common.topic.notable_types, Book
m.0nf3cck, tv.tv_guest_personal_appearance.person, Demi Lovato
Demi Lovato, base.popstra.celebrity.parties, m.064gg_w
m.09rjky_, celebrities.friendship.friend, Demi Lovato
Demi Lovato, common.topic.webpage, m.09w7sbc
Demi Lovato, celebrities.celebrity.celebrity_friends, m.0bbd14c
m.0y61rct, people.sibling_relationship.sibling, Demi Lovato
Demi Lovato, common.topic.webpage, m.09y8cb0
Demi Lovato (A Robbie Readers) (Robbie Reader Contemporary Biographies), book.written_work.subjects, Demi Lovato
Demi Lovato, film.person_or_entity_appearing_in_film.films, m.0y564kq
Make a Wave, music.album.artist, Joe Jonas
Demi Lovato, celebrities.celebrity.sexual_relationships, m.0cq9shl
Demi Lovato, film.actor.film, m.04dc588
Amber Lovato, people.person.gender, Female
Italian American, people.person.ethnicity, Joe Jonas
Demi Lovato, base.popstra.celebrity.friendship, m.065phq_
m.065py_5, base.popstra.dated.participant, Demi Lovato
m.0p8bxp6, common.webpage.topic, Demi Lovato
m.09wlt36, common.webpage.topic, Demi Lovato
Demi Lovato, people.person.profession, Singer-songwriter
Demi Lovato, base.popstra.celebrity.wears, m.064ggb5
m.0w5xdw0, film.personal_film_appearance.person, Demi Lovato
La La Land, music.composer.compositions, Joe Jonas
m.0y5664f, film.personal_film_appearance.person, Demi Lovato
m.011l_brx, film.personal_film_appearance.person, Demi Lovato
Gonna Get Caught, music.composition.composer, Joe Jonas
Demi Lovato, people.person.religion, Christianity
Demi Lovato, common.topic.image, Demi Lovato 2 crop
Demi Lovato, people.person.profession, Actor
Demi Lovato, music.artist.genre, Synthpop
demi_lovato.jpg, common.image.size, m.0kly56
Demi Lovato, freebase.valuenotation.is_reviewed, Official website
m.0cxm3g_, celebrities.friendship.friend, Demi Lovato
Demi Lovato, base.popstra.celebrity.friendship, m.064j62g
m.0bbd14c, celebrities.friendship.friend, Demi Lovato
Demi Lovato, common.topic.image, Demi Lovato in Glamour Magazine for Jan 2012 01.jpg
Demi Lovato, music.artist.album, La La Land
Demi Lovato, film.person_or_entity_appearing_in_film.films, m.0h4z8q0
m.0cxm3h5, celebrities.friendship.friend, Demi Lovato
m.0w9ztm9, tv.tv_guest_personal_appearance.episode, Demi Lovato, Kevin Nealon
m.0h4z8q0, film.personal_film_appearance.person, Demi Lovato
m.09wwh_f, common.webpage.topic, Demi Lovato
Demi Lovato (A Robbie Readers) (Robbie Reader Contemporary Biographies), book.written_work.author, Kathleen Tracy
Demi Lovato, base.popstra.celebrity.supporter, m.0dl63fv
m.0y565sb, film.personal_film_appearance.person, Demi Lovato
Demi Lovato, tv.tv_personality.tv_regular_appearances, m.0y5cwcr
Demi Lovato, base.popstra.celebrity.bought, m.063gdp_
m.07syg9m, people.marriage.spouse, Patrick Lovato
m.0_vnzfj, people.place_lived.person, Demi Lovato
Demi Lovato, base.popstra.celebrity.vacations_in, m.064ggl7
m.065q3fy, base.popstra.dated.participant, Joe Jonas
Demi Lovato, common.topic.webpage, m.09wlttf
Demi Lovato, common.topic.webpage, m.09wpjd9
Demi Lovato, common.topic.image, Demi Lovato 2 cropped
constance-marie-and-daughter-luna-red-carpet-1RNEeZ.jpg, common.image.appears_in_topic_gallery, Demi Lovato
m.0bnr3l9, common.webpage.topic, Demi Lovato
Demi Lovato, common.topic.image, Demi-Lovato-Seventeen-Magazine-5.jpg
m.0cxqwzf, celebrities.friendship.friend, Demi Lovato
Demi Lovato, celebrities.celebrity.celebrity_friends, m.09rjky_
Synthpop, music.artist.genre, Joe Jonas
Demi Lovato, base.popstra.celebrity.friendship, m.0cq9hwb
Demi Lovato, base.popstra.celebrity.supporter, m.0dl63fn
Demi Lovato, book.book_subject.works, Demi Lovato: Unauthorized Biography
Demi Lovato, people.person.nationality, United States of America
Demi Lovato, celebrities.celebrity.sexual_relationships, m.01041_p3
m.0y565wb, film.personal_film_appearance.person, Demi Lovato
m.09ygw3v, common.webpage.topic, Demi Lovato
Demi Lovato, music.artist.label, Hollywood Records
m.09wlttf, common.webpage.topic, Demi Lovato
Demi Lovato, film.person_or_entity_appearing_in_film.films, m.0y565sb
Demi Lovato, base.popstra.celebrity.vacations_in, m.064gggc
m.0w9zt5h, tv.tv_guest_personal_appearance.person, Demi Lovato
Demi Lovato, common.topic.image, piranha_3_d_13.jpg
Demi Lovato, freebase.valuenotation.is_reviewed, Spouse (or domestic partner)
Demi Lovato, base.popstra.celebrity.parties, m.064gh0t
Demi Lovato: Unauthorized Biography, common.topic.notable_for, g.125864x2x
m.0cxqwzl, celebrities.friendship.friend, Demi Lovato
Celebrity, common.topic.notable_types, Joe Jonas
m.064hjgs, base.popstra.friendship.participant, Joe Jonas
m.064cvdc, base.popstra.friendship.participant, Demi Lovato
Demi Lovato, common.topic.webpage, m.09w_6sg
m.07sy59b, base.litcentral.person_full_name.person_topic, Demi Lovato
Demi Lovato, music.composition.composer, Two Worlds Collide
Dallas Lovato, people.person.parents, Dianna Hart
Get Back, music.composition.composer, Joe Jonas
m.07syfkk, people.sibling_relationship.sibling, Demi Lovato
Demi Lovato in Glamour Magazine for Jan 2012 01.jpg, common.image.size, m.0kksb6
Dianna Hart, people.person.children, Demi Lovato
Demi Lovato, music.artist.label, Polydor Records
m.0w9ztqm, tv.tv_guest_personal_appearance.person, Demi Lovato
Demi Lovato, common.topic.webpage, m.09y5__b
Demi Lovato, celebrities.celebrity.celebrity_friends, m.0cxm3g_
Demi Lovato, film.person_or_entity_appearing_in_film.films, m.0y5661h
m.063gd3x, base.popstra.friendship.participant, Demi Lovato
m.03l1b3c, common.webpage.topic, Demi Lovato
Demi Lovato, base.popstra.celebrity.wears, m.064ggrt
Demi Lovato, people.person.parents, Patrick Lovato
m.09wynqh, common.webpage.topic, Demi Lovato
m.0cq9hyy, base.popstra.friendship.participant, Demi Lovato
m.0w9ztn9, tv.tv_guest_personal_appearance.person, Demi Lovato
m.09w_6sg, common.webpage.topic, Demi Lovato
m.0dl639b, base.popstra.friendship.participant, Demi Lovato
Demi Lovato, music.artist.genre, Pop music
Demi Lovato, base.popstra.celebrity.parties, m.064gh0b
Demi Lovato, celebrities.celebrity.celebrity_friends, m.0cxqwzl
m.0b68vr8, celebrities.friendship.friend, Demi Lovato
m.064hjgs, base.popstra.friendship.participant, Demi Lovato
Demi Lovato, base.popstra.celebrity.dated, m.064cvl8
m.064gh0t, base.popstra.party_attendance_person.person, Demi Lovato
Demi Lovato, celebrities.celebrity.celebrity_friends, m.0b68vr8
m.0w0z9w7, tv.tv_guest_personal_appearance.person, Demi Lovato
m.064gg_w, base.popstra.party_attendance_person.person, Demi Lovato
Demi Lovato, people.person.ethnicity, Italian American
Demi Lovato, base.popstra.celebrity.friendship, m.0dl639b
Demi Lovato, celebrities.celebrity.sexual_relationships, m.0cq9shl
m.09y5b4g, common.webpage.topic, Demi Lovato
Demi Lovato, film.person_or_entity_appearing_in_film.films, m.0y564_n
Demi Lovato, freebase.valuenotation.is_reviewed, Gender
Demi Lovato, base.popstra.celebrity.friendship, m.063gd3x
Gender, freebase.valuenotation.is_reviewed, Joe Jonas
Demi Lovato, common.topic.webpage, m.0p8bxp6
Demi Lovato, base.popstra.celebrity.supporter, m.064cv_7
Demi Lovato, common.topic.webpage, m.09wynqh
Demi Lovato, people.person.nationality, United States of America
Demi Lovato, music.composition.composer, Behind Enemy Lines
Emotional, common.image.appears_in_topic_gallery, Demi Lovato
m.075s407, people.sibling_relationship.sibling, Demi Lovato
m.0y564gc, film.personal_film_appearance.person, Demi Lovato
Demi Lovato, music.artist.genre, Dance-pop
Demi Lovato and Selena Gomez: The Complete Unofficial Story of the BFFs, common.topic.notable_types, Written Work
Demi Lovato, common.topic.webpage, m.09y5b4g
Demi Lovato, people.person.gender, Female
Demi Lovato, film.person_or_entity_appearing_in_film.films, m.0h7c5zj
Demi, music.album.artist, Demi Lovato
Demi Lovato, base.popstra.celebrity.shops_at, m.064cvmz
m.0y564kq, film.personal_film_appearance.person, Demi Lovato
Demi Lovato, common.topic.webpage, m.09wwh_f
m.0y565z8, film.personal_film_appearance.person, Demi Lovato
Pop music, music.artist.genre, Joe Jonas
Demi Lovato, common.topic.webpage, m.09y60d5
Demi Lovato, common.topic.webpage, m.0bnsghl
Demi Lovato, common.topic.webpage, m.09x5ykw
Dance-pop, music.artist.genre, Joe Jonas
Demi Lovato (A Robbie Readers) (Robbie Reader Contemporary Biographies), common.topic.notable_for, g.1258dd4w3
Demi Lovato, common.topic.image, Emotional
Demi Lovato, common.topic.webpage, m.09wmk0h
Two Worlds Collide, music.composition.composer, Joe Jonas
Demi Lovato, people.person.profession, Actor
Demi Lovato, base.popstra.celebrity.eats_at, m.064cvlv
m.0cq9ttn, people.place_lived.person, Demi Lovato
Demi Lovato, base.popstra.celebrity.hangout, m.064ggh2
Demi Lovato, celebrities.celebrity.sexual_relationships, m.0_xw9hk
Demi Lovato 2 crop, common.image.appears_in_topic_gallery, Demi Lovato
m.0y563qj, film.personal_film_appearance.person, Demi Lovato
demi-lovato-quotes.jpg, common.image.appears_in_topic_gallery, Demi Lovato
United States of America, people.person.nationality, Joe Jonas
Demi Lovato, music.artist.album, Make a Wave
Demi Lovato, base.popstra.dated.participant, m.065q3fy
Demi Lovato, celebrities.celebrity.celebrity_friends, m.09rjkyp
Demi Lovato, book.book_subject.works, Demi Lovato and Selena Gomez: The Complete Unofficial Story of the BFFs
m.0nf693c, tv.tv_regular_personal_appearance.person, Demi Lovato
Behind Enemy Lines, music.composer.compositions, Joe Jonas
Demi Lovato, common.topic.webpage, m.09wlff_
Demi Lovato, music.album.artist, La La Land
Dancer, people.person.profession, Joe Jonas
m.0w9zt5h, tv.tv_guest_personal_appearance.episode, Demi Lovato, Geraldo Rivera, Jeannine Pirro
Demi Lovato, music.composition.composer, Don't Forget
Musician, people.person.profession, Joe Jonas
Demi Lovato, common.topic.notable_for, g.125dtp4d7
Demi Lovato, book.book_subject.works, Best Friends Forever: Selena Gomez & Demi Lovato: An Unauthorized Biography
Demi Lovato, music.artist.genre, Teen pop
m.09yp6nl, common.webpage.topic, Demi Lovato
Demi Lovato, base.cinemainspector.person_sign.star_sign, Leo
Demi Lovato, common.topic.image, demi-lovato-elle-magazine-feature-01.jpg
Demi Lovato, common.topic.notable_types, Celebrity
m.01041_p3, celebrities.romantic_relationship.celebrity, Wilmer Valderrama
Demi Lovato, common.topic.webpage, m.09wnhrq
Demi Lovato tops albums chart, but Michael Jackson outsells her, common.resource.annotations, m.09wlt42
Demi Lovato, common.topic.image, imagesCAUF34ZU.jpg
Demi Lovato, base.popstra.celebrity.friendship, m.064cvdc
Demi Lovato, music.artist.genre, Pop rock
Demi Lovato 2 cropped, common.image.appears_in_topic_gallery, Demi Lovato
Patrick Lovato, people.person.children, Amber Lovato
Demi Lovato, freebase.valuenotation.has_no_value, Spouse (or domestic partner)
Demi Lovato, common.topic.webpage, m.0d_xbsn
Demi Lovato, film.actor.film, m.0mzkptd
m.09wmk0h, common.webpage.topic, Demi Lovato
Demi Lovato, common.topic.webpage, m.09w8l3b
m.0y4zqyv, tv.tv_guest_personal_appearance.person, Demi Lovato
Singer-songwriter, people.person.profession, Joe Jonas
m.09w8l3b, common.webpage.topic, Demi Lovato
m.09rjkyv, celebrities.friendship.friend, Demi Lovato
Demi Lovato, music.artist.origin, Dallas
Demi Lovato, people.person.sibling_s, m.075s407
Demi Lovato, freebase.valuenotation.is_reviewed, Country of nationality
Send It On, music.featured_artist.albums, Joe Jonas
Demi Lovato, film.person_or_entity_appearing_in_film.films, m.011l_brx
Demi Lovato, base.popstra.celebrity.wears, m.064ggc0
Demi Lovato, people.person.places_lived, m.0cq9ttn
Actor, people.person.profession, Joe Jonas
demi-lovato-quotes.jpg, common.image.size, m.0kly56
Demi Lovato, common.topic.image, demi_lovato.jpg
On the Line, music.composer.compositions, Joe Jonas
Demi Lovato, common.topic.webpage, m.09yp6nl
Demi Lovato, base.popstra.celebrity.friendship, m.06461k9
Demi Lovato, celebrities.celebrity.celebrity_friends, m.0cxqwzf
Demi Lovato, freebase.valuenotation.is_reviewed, Date of birth
Demi-May-2011-People-Magazine-demi-lovato-21277503-1896-2560.jpg, common.image.size, m.0jb5cm_
Demi Lovato, base.litcentral.person_nickname.people_with_this_nickname, m.07sy59b
Demi Lovato, base.litcentral.named_person.individual_names, m.07sy59b
m.0bnsghl, common.webpage.topic, Demi Lovato
Demi Lovato, base.popstra.celebrity.wears, m.064gg9n
m.0h7c5zj, film.personal_film_appearance.person, Demi Lovato
Dallas Lovato, people.person.sibling_s, m.07syfkk
Demi Lovato, people.person.profession, Musician
Best Friends Forever: Selena Gomez & Demi Lovato: An Unauthorized Biography, book.written_work.author, Lexi Ryals
Demi Lovato, film.person_or_entity_appearing_in_film.films, m.0y563qj
Demi Lovato, base.popstra.celebrity.dated, m.065q3fy
m.0nf3c86, tv.tv_guest_personal_appearance.person, Demi Lovato
Demi Lovato, celebrities.celebrity.celebrity_friends, m.0cxm3hb
Demi Lovato, base.popstra.celebrity.supporter, m.0dl63f5
Dallas Lovato, people.person.profession, Actor
Demi Lovato, celebrities.celebrity.celebrity_friends, m.0cxm3h5
Demi Lovato, music.composition.composer, On the Line
Demi Lovato, base.popstra.celebrity.vacations_in, m.063gdvh
Demi Lovato, film.actor.film, m.05ns5v7
Demi Lovato, freebase.valuenotation.is_reviewed, Place of birth
Demi Lovato, film.person_or_entity_appearing_in_film.films, m.0y565wb
ddlovato, internet.blog.blogger, Demi Lovato
Patrick Lovato, people.person.children, Demi Lovato
Demi Lovato, common.topic.article, m.02wb6yv
Demi Lovato, people.person.place_of_birth, Albuquerque
Demi Lovato, film.person_or_entity_appearing_in_film.films, m.0y564gc
Demi Lovato, common.topic.notable_types, Celebrity
Amber Lovato, people.person.sibling_s, m.0y61rct
Demi Lovato, music.artist.contribution, m.0w0xgpw
Demi Lovato, film.person_or_entity_appearing_in_film.films, m.0w5xdw0
m.0cq9shl, celebrities.romantic_relationship.celebrity, Demi Lovato
m.0y4zqrh, tv.tv_guest_personal_appearance.person, Demi Lovato
Demi Lovato, people.person.sibling_s, m.0y61rct
m.09x5ykw, common.webpage.topic, Demi Lovato
Demi Lovato, base.popstra.celebrity.friendship, m.0cq9hyy
Demi Lovato, common.topic.image, demi-lovato-quotes.jpg
m.065q3fy, base.popstra.dated.participant, Demi Lovato
m.063gd6q, base.popstra.dated.participant, Demi Lovato

Answer: Joe Jonas