claim: White Horse, a top-five single released on December 7, 2008 was co-written by the woman who wrote "Picture to Burn" with a singer-songwriter. This singer-songwriter also performed the song Fifteen.
supporting_facts.key: Liz Rose
supporting_facts.key: White Horse (Taylor Swift song)
supporting_facts.key: Picture to Burn
supporting_facts.key: Fifteen (song)