Premise: Demetria Devonne Lovato ( [ ˈdɛmi_loʊ-ˈvɑːtoʊ ] or ; born August 20 , 1992 ) is an American singer , songwriter , and actress . Musically , Lovato is considered a pop , pop rock , and R&B artist .
Hypothesis: Demi Lovato is a singer songwriter of pop rock music.
Label: ENTAILMENT