Premise: 4 is the fourth studio album by American singer Beyoncé . Beyoncé . Her marriage to rapper Jay Z and portrayal of Etta James in Cadillac Records ( 2008 ) influenced her third album , I Am ... Sasha Fierce ( 2008 ) , which saw the introduction of her alter-ego Sasha Fierce and earned a record-setting six Grammy Awards in 2010 , including Song of the Year for `` Single Ladies ( Put a Ring on It ) '' . Lemonade is the sixth studio album by American singer Beyoncé .
Hypothesis: Beyoncé is a singer.
Label: ENTAILMENT