Premise: The Grand Slam tournaments , also called majors , are the four most-important annual tennis events . Maria Sharapova . She returned to the WTA tour on April 26 , 2017 at the Porsche Tennis Grand Prix . 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 only golfs.
Label: CONTRADICTION