In a knockout tournament 16 equally skilled players namely P₁,P₂,−−−−−−P₁₆ are participating. In each round players are divided in pairs at random and winner from each pair moves to the next round. If P₂ reaches the semifinal, then the probability that P₁ will win the tournament is
A. 3/64
B. 1/16
C. 1/20
D. 1/15