A bag contains 4 red, 5 yellow and 6 pink balls. Two balls are drawn at random. What is the probability that none of the balls drawn are yellow in colour?

A

$$\frac{1}{7}$$

B

$$\frac{3}{7}$$

C

$$\frac{2}{7}$$

D

$$\frac{5}{14}$$

E

$$\frac{9}{14}$$