Assertion (A): A fair die is thrown once. The probability of getting a prime number is 2/3.
Reason (R): A natural number is a prime number if it has only two factors.
A) Both A and R are true, and R is the correct explanation of A.
B) Both A and R are true, but R is not the correct explanation of A.
C) A is true, but R is false.
D) A is false, but R is true.
