Premise: Philip Alfred Mickelson ( born June 16 , 1970 ) , nicknamed Lefty , is an American professional golfer . He has won 42 events on the PGA Tour , including five major championships : three Masters titles ( 2004 , 2006 , 2010 ) , a PGA Championship ( 2005 ) , and an Open Championship ( 2013 ) .
Hypothesis: Phil Mickelson is a professional golfer.
Label: ENTAILMENT