An unbiased dice is tossed twice. Find the Probability of getting 4,5 or 6 on the first toss and a 1,2,3 or 4 on the second toss

A

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

B

$$\frac{18}{23}$$

C

$$\frac{1}{9}$$

D

$$\frac{1}{3}$$