One ball is picked up randomly from a bag containing 8 yellow, 7 blue and 6 black balls.What is the probability that it is neither yellow nor black?

Question

$( A ) \large\frac{2}{3} \\ ( B ) \large\frac{1}{4} \\ ( C ) \large\frac{1}{3} \\ ( D ) \large\frac{1}{2}$