With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Phil Mickelson has not won a golf tournament.
text_B: Philip Alfred Mickelson -LRB- born June 16 , 1970 -RRB- , nicknamed Lefty , is an American professional golfer .. He has won 42 events on the PGA Tour , including five major championships  : three Masters titles -LRB- 2004 , 2006 , 2010 -RRB- , a PGA Championship -LRB- 2005 -RRB- , and an Open Championship -LRB- 2013 -RRB- .. PGA Tour. PGA Tour. #PGA Tour wins ( 42 ). 2004 Masters Tournament. 2006 Masters Tournament. 2010 Masters Tournament. 2013 Open Championship. 2005 PGA Championship. major championships. Men's major golf championships. Masters. Masters Tournament. PGA Championship. PGA Championship. Open Championship. The Open Championship. Mickelson is one of 16 golfers in the history of the sport to win at least three of the four majors .. He has won every major except the U.S. Open , where he has finished runner-up a record six times .. U.S. Open. U.S. Open ( golf ). Mickelson has spent over 700 weeks in the top-10 of the Official World Golf Ranking , has reached a career-high world ranking of 2nd several times and is a life member of the PGA Tour .. PGA Tour. PGA Tour. Official World Golf Ranking. Official World Golf Ranking. Mickelson is known for his left-handed swing , even though he is otherwise right-handed .. left-handed. left-handed. right-handed. right-handed. He was inducted into the World Golf Hall of Fame in May 2012 .. World Golf Hall of Fame. World Golf Hall of Fame
related.