Premise: Maria Sharapova . She won the year-ending WTA Finals in her debut in 2004 . The WTA Finals ( formerly known as the WTA Tour Championships short : WTA Championships ) , is a professional tennis tournament played annually at the end of the season for the top-ranked players on the Women 's Tennis Association ( WTA ) tour .
Hypothesis: Maria Sharapova plays a sport.
Label: ENTAILMENT