user: You are a structured reasoning expert tasked with solving problems step by step. 
You first think about the reasoning process in the mind and then provide the answer. The reasoning process and answer should be enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answer here </answer>. 
Given a question and the associated knowledge graph triplets (entity, relation, entity), you are asked to answer the question with these triplets and your own knowledge. 
You can break down the original question into several sub-questions and explore the given knowledge graph to solve them step-by-step. If there are multiple possible answers, choose one as the final answer. 
After thinking, when you finally reach a conclusion, clearly state the answer within <answer> </answer> tags, i.e., <answer> answer here </answer>. 
Question: Who dated the performer who headlined the concert tour called Demi World Tour? 
Knowledge Triplets: m.09wwh_f, common.webpage.topic, Demi Lovato
Demi Lovato, music.artist.concert_tours, Demi Live! Warm Up Tour
m.09y5b4g, common.webpage.topic, Demi Lovato
Demi Lovato, music.composer.compositions, Heart Attack
Demi World Tour, music.album.supporting_tours, Demi
Somebody To You, music.recording.artist, Demi Lovato
World of Chances, music.composition.composer, Demi Lovato
Up, music.recording.artist, Demi Lovato
m.0_xw9hk, celebrities.romantic_relationship.celebrity, Demi Lovato
Demi Lovato, celebrities.celebrity.celebrity_friends, m.0cxm3g_
Demi Lovato, base.popstra.celebrity.wears, m.064ggs3
Demi Lovato, music.artist.album, So Far, So Great
Demi Lovato, base.popstra.celebrity.hangout, m.064ggh2
m.065py_5, base.popstra.dated.participant, Cody Linley
m.09wlff_, common.webpage.topic, Demi Lovato
A Special Night with Demi Lovato, music.concert_tour.album_or_release_supporting, Unbroken
Gift of a Friend, music.album.artist, Demi Lovato
Demi Lovato, music.artist.genre, Power pop
Demi Lovato, common.topic.image, Demi Lovato 2 cropped
Demi Lovato, common.topic.webpage, m.09wlff_
Demi Lovato, common.topic.webpage, m.0bnr3l9
Fascination Records, music.record_label.artist, Demi Lovato
Demi Lovato, freebase.valuenotation.is_reviewed, Children
Demi Lovato, music.artist.concert_tours, Camp Rock 2 Tour
Demi Lovato, music.composer.compositions, Unbroken
Demi Lovato, base.popstra.celebrity.dated, m.065py_5
Demi Lovato, common.topic.webpage, m.09yp6nl
Roar, music.recording.featured_artists, Demi Lovato
m.09ygw3v, common.webpage.topic, Demi Lovato
Demi Lovato, music.artist.contribution, m.0w0z347
A Special Night with Demi Lovato, music.concert_tour.artist, Demi Lovato
La La Land, music.album.artist, Demi Lovato
Unbroken, music.album.artist, Demi Lovato
Demi Lovato, people.person.gender, Female
Emotional, common.image.appears_in_topic_gallery, Demi Lovato
Demi Lovato, base.popstra.celebrity.vacations_in, m.064gggc
Actor, people.person.profession, Cody Linley
m.064cvdc, base.popstra.friendship.participant, Demi Lovato
Demi Lovato, freebase.valuenotation.is_reviewed, Gender
Give Your Heart a Break, music.album.artist, Demi Lovato
Demi Lovato, base.popstra.celebrity.parties, m.064gh0t
m.09wmk0h, common.webpage.topic, Demi Lovato
Demi Lovato, music.composer.compositions, World of Chances
On the Line, music.composition.composer, Demi Lovato
m.065q3fy, base.popstra.dated.participant, Joe Jonas
Demi Lovato, base.popstra.celebrity.wears, m.064ggb5
m.063gd3x, base.popstra.friendship.participant, Demi Lovato
Demi Lovato, common.topic.image, demi-lovato-quotes.jpg
Solo, music.composition.composer, Demi Lovato
m.09rjky_, celebrities.friendship.friend, Demi Lovato
Demi Lovato, music.composer.compositions, U Got Nothin' on Me
Patrick Lovato, people.person.children, Demi Lovato
418px-DemiLovatoApr09.jpg, common.image.appears_in_topic_gallery, Demi Lovato
m.065phq_, base.popstra.friendship.participant, Demi Lovato
m.09w_6sg, common.webpage.topic, Demi Lovato
Demi Lovato, base.popstra.celebrity.friendship, m.0cq9hyy
Demi Lovato, music.artist.album, Get Back
Demi Lovato, common.topic.webpage, m.09wmk0h
Demi Lovato, base.popstra.organization.supporter, m.0dl63hc
Wouldn't Change a Thing, music.album.artist, Demi Lovato
Demi Lovato, celebrities.celebrity.sexual_relationships, m.01041_p3
iTunes Live from London, music.album.artist, Demi Lovato
m.03l1b3c, common.webpage.topic, Demi Lovato
Demi Lovato, music.artist.album, Gift of a Friend
m.05ns5v7, film.performance.actor, Demi Lovato
Demi Lovato, music.artist.genre, Blues rock
Demi Lovato, music.artist.album, Skyscraper
Here Comes the Sun, music.recording.featured_artists, Demi Lovato
m.0bbd14c, celebrities.friendship.friend, Demi Lovato
m.064gh0b, base.popstra.party_attendance_person.person, Demi Lovato
Demi Lovato, freebase.valuenotation.is_reviewed, Official website
Demi Lovato, music.artist.genre, Synthpop
Two Worlds Collide, music.composition.composer, Demi Lovato
Demi Lovato, music.artist.contribution, m.0w0xgpw
Demi Lovato, music.composer.compositions, Everything You're Not
This Is Me, music.album.artist, Demi Lovato
m.063gd6q, base.popstra.dated.participant, Demi Lovato
Demi Lovato, celebrities.celebrity.celebrity_friends, m.0cxqwzf
Demi Lovato, people.person.sibling_s, m.07syfkk
Demi World Tour, common.topic.notable_for, g.1q5k3z390
Demi Lovato, music.composer.compositions, Quiet
m.0nf3c86, tv.tv_guest_personal_appearance.person, Demi Lovato
Demi Lovato, tv.tv_program_guest.appeared_on, m.0w0z86y
m.03pkm30, people.place_lived.person, Demi Lovato
Demi Lovato, freebase.valuenotation.is_reviewed, Profession
Demi Lovato, common.topic.webpage, m.0bnsghl
Demi Lovato, music.artist.album, Neon Lights
Demi Lovato, music.artist.track_contributions, m.0w39dwg
Demi Lovato, base.popstra.celebrity.wears, m.064ggc0
m.0w9ztm9, tv.tv_guest_personal_appearance.person, Demi Lovato
Demi Lovato, base.popstra.celebrity.shops_at, m.064cvmz
Demi, music.album.genre, Pop rock
Demi Lovato, celebrities.celebrity.celebrity_friends, m.09rjkyv
Demi Lovato, base.popstra.celebrity.religion, m.064cv_y
Demi Lovato, common.topic.webpage, m.09ygw3v
Demi Lovato, music.composer.compositions, Catch Me
Demi Lovato, freebase.valuenotation.is_reviewed, Country of nationality
Demi Lovato, book.book_subject.works, Demi Lovato: Unauthorized Biography
Demi Lovato, music.artist.album, Heart Attack
Demi Lovato, base.popstra.celebrity.eats_at, m.063gdh7
Demi Lovato, common.topic.webpage, m.09y8cb0
Demi Lovato, music.artist.album, Demi
Demi Lovato, people.person.profession, Actor
Demi Lovato, music.composer.compositions, Something That We're Not
Demi Lovato, celebrities.celebrity.celebrity_friends, m.09rjky_
Demi Lovato, people.person.languages, English Language
imagesCAUF34ZU.jpg, common.image.appears_in_topic_gallery, Demi Lovato
m.0cxm3g_, celebrities.friendship.friend, Demi Lovato
Demi Lovato, film.actor.film, m.0y55m8c
Demi Lovato, music.composer.compositions, Behind Enemy Lines
Demi Lovato, common.topic.webpage, m.09y5b4g
Demi Lovato, common.topic.image, Demi Lovato 2 crop
Demi Lovato, base.popstra.celebrity.supporter, m.0dl63fv
Demi Lovato, base.popstra.celebrity.parties, m.064gh0b
Demi Lovato, music.artist.album, La La Land
Demi Lovato, music.artist.genre, Dance-pop
Demi Lovato, celebrities.celebrity.celebrity_friends, m.0cxqwzl
Demi Lovato, music.composer.compositions, Every Time You Lie
m.065q8q6, base.popstra.dated.participant, Cody Linley
m.0cxm3h5, celebrities.friendship.friend, Demi Lovato
Demi Lovato, common.topic.webpage, m.09x5ykw
Demi Lovato, common.topic.notable_types, Celebrity
m.0cxm3hb, celebrities.friendship.friend, Demi Lovato
Demi Lovato, film.actor.film, m.09rjkzr
m.0cxqwzf, celebrities.friendship.friend, Demi Lovato
Demi Lovato, base.popstra.celebrity.supporter, m.0dl63fg
m.012b3vqx, music.group_membership.member, Demi Lovato
Demi Lovato, music.artist.album, Walmart Soundcheck
Demi Lovato, music.artist.concert_tours, Demi World Tour
m.065pycl, base.popstra.dated.participant, Cody Linley
Demi Lovato, base.popstra.celebrity.friendship, m.0dl639b
Demi Lovato, people.person.places_lived, m.0_vnzfj
Get Back, music.album.artist, Demi Lovato
Demi Lovato, music.composer.compositions, Shouldn't Come Back
Dianna Hart, people.person.children, Demi Lovato
Demi Lovato, people.person.places_lived, m.03pkm30
Demi Lovato, music.featured_artist.recordings, g.11b6m8kjm0
Demi Lovato, music.artist.album, Don't Forget
Demi Lovato, people.person.places_lived, m.0cq9ttn
m.0w2sss8, music.recording_contribution.contributor, Demi Lovato
m.064cvl8, base.popstra.dated.participant, Nicholas Braun
ddlovato, internet.blog.blogger, Demi Lovato
Demi Lovato, music.artist.label, Fascination Records
m.0cq9ttn, people.place_lived.person, Demi Lovato
m.09y5__b, common.webpage.topic, Demi Lovato
Demi, music.album.supporting_tours, Demi World Tour
m.064gh0t, base.popstra.party_attendance_person.person, Demi Lovato
m.06461k9, base.popstra.friendship.participant, Demi Lovato
Skyscraper, music.album.artist, Demi Lovato
Demi Lovato, music.artist.contribution, m.0w0xgsb
Demi Lovato, celebrities.celebrity.celebrity_friends, m.09rjkyp
Demi Lovato, base.popstra.celebrity.wears, m.064gg9n
m.064cw0d, base.popstra.dated.participant, Nicholas Braun
Demi Lovato, music.artist.album, This Is Me
Demi Lovato, common.topic.webpage, m.09wlt36
Demi Lovato, common.topic.webpage, m.09y60d5
Demi Lovato, music.composer.compositions, Falling Over Me
Made in the USA, music.album.artist, Demi Lovato
Here We Go Again, music.album.artist, Demi Lovato
Demi Lovato, music.artist.genre, Teen pop
Demi Lovato, base.popstra.celebrity.wears, m.064ggdb
Demi Lovato, celebrities.celebrity.celebrity_friends, m.0b68vr8
m.0b68vr8, celebrities.friendship.friend, Demi Lovato
Demi Lovato, celebrities.celebrity.celebrity_friends, m.0cxm3hb
m.065q3fy, base.popstra.dated.participant, Demi Lovato
m.0cq9shl, celebrities.romantic_relationship.celebrity, Demi Lovato
Demi Lovato, music.artist.genre, Contemporary R&B
Demi Lovato, music.artist.album, Moves Me
Demi Lovato, people.person.education, m.0sw0nwh
Demi, music.album.artist, Demi Lovato
Demi Lovato, celebrities.celebrity.sexual_relationships, m.0_xw9hk
Demi Lovato, celebrities.celebrity.sexual_relationships, m.0cq9shl
Demi Lovato, music.artist.album, g.12lnh22pp
Demi Lovato, music.music_video_director.music_videos_directed, Made in the USA
Demi Lovato, common.topic.image, demi_lovato.jpg
Demi Lovato, music.artist.album, Give Your Heart a Break
m.04zdjzw, tv.regular_tv_appearance.actor, Demi Lovato
Demi Lovato, common.topic.webpage, m.0d_xbsn
Demi Lovato, music.artist.genre, Pop music
Made in the USA, music.music_video.directed_by, Demi Lovato
Don't Forget, music.album.artist, Demi Lovato
m.0w0xgsb, music.recording_contribution.contributor, Demi Lovato
Demi Lovato, music.group_member.instruments_played, Guitar
Demi Lovato, music.artist.album, Here We Go Again
Demi Lovato, common.topic.webpage, m.09w8l3b
Demi Lovato, internet.blogger.blog, ddlovato
m.0w39dwg, music.track_contribution.contributor, Demi Lovato
Demi Lovato, people.person.sibling_s, m.075s407
Demi Lovato, music.featured_artist.albums, Send It On
Demi Lovato, freebase.valuenotation.is_reviewed, Height
m.0cq9hyy, base.popstra.friendship.participant, Demi Lovato
Send It On, music.recording.featured_artists, Demi Lovato
Demi Lovato, music.featured_artist.recordings, Somebody To You
Make a Wave, music.album.artist, Demi Lovato
Demi Lovato, music.artist.track_contributions, m.0w3bb_r
Demi Lovato, music.artist.track_contributions, m.0w3jblt
Demi Lovato, music.artist.concert_tours, Jonas Brothers Live in Concert World Tour 2010
m.063gd6q, base.popstra.dated.participant, Cody Linley
Demi Lovato, base.popstra.celebrity.friendship, m.063gd3x
Demi Lovato, film.actor.film, m.04dc588
Can't Back Down, music.album.artist, Demi Lovato
Demi Lovato, people.person.profession, TV Personality
Demi Lovato, music.composer.compositions, Party
Demi Lovato, music.composer.compositions, Stop the World
Demi Lovato, music.featured_artist.recordings, Avalanche
Demi Lovato, music.artist.album, Really Don't Care
Demi Lovato, people.person.profession, Dancer
Demi Lovato, common.topic.webpage, m.09wpjd9
Demi Lovato, music.artist.album, Camp Rock 2: Live Walmart Soundcheck
Demi Lovato, base.popstra.celebrity.friendship, m.0cq9hwb
m.0cxqwzl, celebrities.friendship.friend, Demi Lovato
Demi Lovato, music.composer.compositions, Don't Forget
m.04df46w, tv.regular_tv_appearance.actor, Demi Lovato
m.06461f1, base.popstra.dated.participant, Joe Jonas
Demi Lovato, music.artist.genre, Electropop
Demi Lovato, common.topic.article, m.02wb6yv
m.064hjgs, base.popstra.friendship.participant, Demi Lovato
Demi Lovato, music.artist.origin, Dallas
Demi Lovato, music.artist.concert_tours, g.123024t7
Demi Lovato, music.composer.compositions, La La Land
m.0cq9hwb, base.popstra.friendship.participant, Demi Lovato
m.0bnr3l9, common.webpage.topic, Demi Lovato
Demi Lovato, common.topic.webpage, m.09wwh_f
m.04dc588, film.performance.actor, Demi Lovato
Demi Lovato, base.popstra.dated.participant, m.064cvl8
Walmart Soundcheck, music.album.artist, Demi Lovato
Demi, common.topic.notable_for, g.12h2_n9l1
Demi Lovato, music.artist.album, Me, Myself and Time
Demi Lovato, common.topic.webpage, m.09wynqh
Avalanche, music.recording.featured_artists, Demi Lovato
Demi Lovato, music.featured_artist.recordings, Why Don't You Love Me
m.064gg_w, base.popstra.party_attendance_person.person, Demi Lovato
Demi Lovato, base.popstra.celebrity.dated, m.065q3fy
Demi Lovato, music.composer.compositions, g.1hb_f7py5
Demi Lovato, people.person.parents, Patrick Lovato
Demi Lovato, music.composer.compositions, Believe in Me
Demi Lovato, music.artist.album, Wouldn't Change a Thing
Demi Lovato, base.popstra.celebrity.friendship, m.064cvdc
Demi Lovato, music.featured_artist.recordings, Send It On
Demi Lovato, music.composer.compositions, Warrior
m.064wnyt, base.popstra.dated.participant, Joe Jonas
m.0w0xgpw, music.recording_contribution.contributor, Demi Lovato
Demi Lovato, people.person.profession, Actor
Demi Lovato, freebase.valuenotation.is_reviewed, Place of birth
Demi Lovato, base.popstra.organization.supporter, m.0dl63h1
m.0dl639b, base.popstra.friendship.participant, Demi Lovato
Demi Lovato, music.artist.label, Hollywood Records
Nightingale, music.composition.composer, Demi Lovato
Demi Lovato, freebase.valuenotation.has_no_value, Spouse (or domestic partner)
Demi Lovato, celebrities.celebrity.celebrity_friends, m.0cxm3gv
m.0w3bb_r, music.track_contribution.contributor, Demi Lovato
Don't Forget, music.composition.composer, Demi Lovato
Demi Lovato, base.popstra.celebrity.bought, m.063gdp_
Demi Lovato, book.book_subject.works, Demi Lovato and Selena Gomez: The Complete Unofficial Story of the BFFs
Demi Lovato, music.composer.compositions, Solo
Demi, music.album.supporting_tours, The Neon Lights Tour
Demi Lovato, common.topic.webpage, m.0p8bxp6
Demi Lovato, base.popstra.celebrity.supporter, m.0dl63fn
Demi Lovato, music.artist.album, Make a Wave
Demi Lovato, common.topic.webpage, m.09y5__b
Really Don't Care, music.album.artist, Demi Lovato
Demi Lovato, common.topic.notable_for, g.125dtp4d7
Demi Lovato, music.featured_artist.recordings, Roar
m.01041_p3, celebrities.romantic_relationship.celebrity, Demi Lovato
Demi Lovato, base.popstra.celebrity.friendship, m.064hjgs
Demi Lovato, common.topic.webpage, m.09wlttf
Stop the World, music.composition.composer, Demi Lovato
Demi Lovato, music.artist.album, g.11b7_lz28q
Demi Lovato, music.artist.genre, Rock music
m.0d_xbsn, common.webpage.topic, Demi Lovato
Demi Lovato, common.topic.image, Demi Lovato in Glamour Magazine for Jan 2012 01.jpg
Demi Lovato, music.artist.album, Made in the USA
Demi Lovato in Glamour Magazine for Jan 2012 01.jpg, common.image.appears_in_topic_gallery, Demi Lovato
Neon Lights, music.album.artist, Demi Lovato
Demi Lovato, music.composer.compositions, Two Worlds Collide
Demi Lovato, common.topic.image, piranha_3_d_13.jpg
Demi World Tour, common.topic.notable_types, Event
Demi Lovato, base.schemastaging.person_extra.net_worth, m.0n9j60_
Up, music.recording.featured_artists, Demi Lovato
m.0y4qn1h, tv.regular_tv_appearance.actor, Demi Lovato
m.0bnsghl, common.webpage.topic, Demi Lovato
Demi Lovato, base.popstra.celebrity.dated, m.064cvl8
Pop rock, music.artist.genre, Joe Jonas
Demi Lovato, base.popstra.celebrity.eats_at, m.064cvlv
Demi Lovato, base.popstra.celebrity.friendship, m.064j62g
We're Done, music.recording.featured_artists, Demi Lovato
m.09rjkyv, celebrities.friendship.friend, Demi Lovato
m.09wpjd9, common.webpage.topic, Demi Lovato
Demi Lovato, base.popstra.celebrity.wears, m.064ggbq
Demi Lovato, people.person.nationality, United States of America
demi_lovato.jpg, common.image.appears_in_topic_gallery, Demi Lovato
Demi Lovato, base.popstra.celebrity.supporter, m.0dl63f5
Demi Lovato, music.artist.genre, Rhythm and blues
Demi Lovato, music.artist.genre, Indie pop
Demi Lovato, base.popstra.celebrity.dated, m.063gd6q
Demi Lovato, music.artist.album, Can't Back Down
Demi Lovato, music.artist.contribution, m.0w2sss8
Demi Lovato, people.person.religion, Christianity
Demi Lovato, tv.tv_program_guest.appeared_on, m.0w9ztm9
m.09w7sbc, common.webpage.topic, Demi Lovato
m.0w0z347, music.recording_contribution.contributor, Demi Lovato
Demi Lovato, people.person.ethnicity, Italian American
Camp Rock 2 Tour, music.concert_tour.artist, Demi Lovato
Demi Lovato, music.featured_artist.recordings, We're Done
Demi Lovato, base.popstra.celebrity.friendship, m.06461k9
Send It On, music.album.featured_artists, Demi Lovato
Demi Lovato, music.composer.compositions, Get Back
Demi Lovato, common.topic.image, Demi-Lovato-Seventeen-Magazine-5.jpg
m.0w0z86y, tv.tv_guest_personal_appearance.person, Demi Lovato
Demi Lovato, music.composer.compositions, Without the Love
Demi Lovato, music.composer.compositions, Gonna Get Caught
Demi Lovato, people.person.place_of_birth, Albuquerque
Unbroken, music.album.supporting_tours, A Special Night with Demi Lovato
Demi Lovato, common.topic.image, Emotional
Demi Lovato, music.composer.compositions, Gift of a Friend
Demi Live! Warm Up Tour, common.topic.notable_types, Event
m.065p_xv, base.popstra.dated.participant, Cody Linley
Demi Lovato, music.featured_artist.recordings, Up
m.063tdb3, base.popstra.dated.participant, Joe Jonas
Demi Lovato, music.artist.album, Unbroken
Jonas Brothers Live in Concert World Tour 2010, music.concert_tour.artist, Demi Lovato
m.0w0z8gk, tv.tv_guest_personal_appearance.person, Demi Lovato
Party, music.composition.composer, Demi Lovato
Demi Lovato, music.artist.concert_tours, A Special Night with Demi Lovato
Demi Lovato, music.artist.concert_tours, The Neon Lights Tour
Demi Lovato, music.featured_artist.recordings, We'll Be a Dream
Demi Lovato, base.popstra.celebrity.vacations_in, m.063gdvh
Demi, freebase.valuenotation.is_reviewed, Artist
Demi Lovato, common.topic.webpage, m.03l1b3c
Demi, common.topic.article, m.0sghhtd
m.09y60d5, common.webpage.topic, Demi Lovato
m.0cxm3gv, celebrities.friendship.friend, Demi Lovato
Demi Lovato, music.artist.label, Island Records
Demi Lovato, base.popstra.celebrity.friendship, m.065phq_
Demi Live! Warm Up Tour, music.concert_tour.artist, Demi Lovato
m.09wlt36, common.webpage.topic, Demi Lovato
Demi Lovato, freebase.valuenotation.is_reviewed, Spouse (or domestic partner)
Demi Lovato, base.popstra.celebrity.vacations_in, m.064ggl7
Demi Lovato, celebrities.celebrity.celebrity_friends, m.0cxm3h5
m.09x5ykw, common.webpage.topic, Demi Lovato
m.09w8l3b, common.webpage.topic, Demi Lovato
m.0p8bxp6, common.webpage.topic, Demi Lovato
m.09yp6nl, common.webpage.topic, Demi Lovato
Demi Lovato, base.cinemainspector.person_sign.star_sign, Leo
Demi Lovato, music.featured_artist.recordings, Here Comes the Sun
Demi Lovato, people.person.sibling_s, m.0y61rct
Demi Lovato, music.artist.album, g.121y020v
Moves Me, music.album.artist, Demi Lovato
Demi Lovato, music.composer.compositions, Made in the USA
Demi Lovato, common.topic.image, 418px-DemiLovatoApr09.jpg
Demi Lovato, music.composer.compositions, Never Been Hurt
Demi Lovato, music.group_member.membership, m.012b3vqx
Demi Lovato, music.artist.album, g.120qwbbp
m.0mzkptd, film.performance.actor, Demi Lovato
Get Back, music.composition.composer, Demi Lovato
Demi Lovato, common.topic.webpage, m.09wnhrq
m.064cvl8, base.popstra.dated.participant, Nicholas Braun
Demi World Tour, music.concert_tour.artist, Demi Lovato
m.09wnhrq, common.webpage.topic, Demi Lovato
Demi Lovato, common.topic.webpage, m.09w_6sg
The Neon Lights Tour, music.concert_tour.album_or_release_supporting, Demi
m.09wlttf, common.webpage.topic, Demi Lovato
Demi Lovato, freebase.valuenotation.is_reviewed, Date of birth
m.0y55m8c, film.performance.actor, Demi Lovato
Demi Lovato, music.composer.compositions, Remember December
The Neon Lights Tour, music.concert_tour.artist, Demi Lovato
Demi Lovato, music.composer.compositions, Trainwreck
Demi Lovato, common.topic.webpage, m.09w7sbc
Demi Lovato, music.group_member.instruments_played, Piano
m.064cvl8, base.popstra.dated.participant, Demi Lovato
Remember December, music.album.artist, Demi Lovato
Demi Lovato, music.composer.compositions, On the Line
Demi Lovato, music.composer.compositions, Really Don't Care
Demi Lovato, people.person.profession, Singer-songwriter
Demi Lovato, film.actor.film, m.05ns5v7
m.064j62g, base.popstra.friendship.participant, Demi Lovato
Demi Lovato, music.artist.genre, Dance music
Demi Lovato, celebrities.celebrity.celebrity_friends, m.0bbd14c
Demi Lovato, music.artist.album, I Hate You, Don’t Leave Me
Demi Lovato, film.actor.film, m.0mzkptd
Demi Lovato, base.popstra.organization.supporter, m.064hjz2
Demi Lovato, music.composer.compositions, Nightingale
Demi Lovato, music.artist.label, Walt Disney Records
Demi Lovato, music.artist.label, Polydor Records
m.065py_5, base.popstra.dated.participant, Demi Lovato
Demi World Tour, music.artist.concert_tours, Demi Lovato
m.0_vnzfj, people.place_lived.person, Demi Lovato
Demi Lovato, music.composer.compositions, Neon Lights
Demi Lovato, music.artist.label, Universal Music Group
Demi Lovato, people.person.parents, Dianna Hart
Demi Lovato, freebase.valuenotation.is_reviewed, Parents
m.09rjkyp, celebrities.friendship.friend, Demi Lovato
Demi Lovato, base.popstra.celebrity.shops_at, m.064ggqg
Made in the USA, music.music_video.artist, Demi Lovato
Demi Lovato, music.artist.genre, Pop rock
Somebody To You, music.recording.featured_artists, Demi Lovato
Demi Lovato, base.popstra.celebrity.wears, m.064ggrt
Demi Lovato, common.topic.image, imagesCAUF34ZU.jpg
So Far, So Great, music.album.artist, Demi Lovato
Demi Lovato, people.person.profession, Musician
m.09y8cb0, common.webpage.topic, Demi Lovato
Walt Disney Records, music.record_label.artist, Demi Lovato
Demi Lovato, common.topic.image, MV5BMTI1Nzk5MjIwNl5BMl5BanBnXkFtZTcwMjkwMjk4Mg@@__V1__SX396_SY500_.jpg
Demi Lovato, base.popstra.celebrity.parties, m.064gg_w
Demi Lovato, music.artist.label, Republic Records
m.09rjkzr, film.performance.actor, Demi Lovato
Demi Lovato, music.artist.album, iTunes Live from London
m.09wynqh, common.webpage.topic, Demi Lovato
Demi World Tour, music.concert_tour.album_or_release_supporting, Demi
Demi Lovato, base.popstra.celebrity.supporter, m.064cv_7
Catch Me, music.composition.composer, Demi Lovato
Demi Lovato, music.artist.album, Remember December

Answer: Nicholas Braun
Joe Jonas
Cody Linley