Premise: The Australian Open is a major tennis tournament held annually over the last fortnight of January in Melbourne , Australia . The Grand Slam tournaments , also called majors , are the four most-important annual tennis events . Serena Williams . She is also the only tennis player to have won 10 Grand Slam singles titles in two separate decades . 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: Serena Williams is a golf player.
Label: CONTRADICTION