Task: Question Answering
Input (English): Question: A die is thrown three times. Events X and Y are defined as below:
X : 4 on the third throw
Y : 6 on the first and 5 on the second throw
What is the probability of X given that Y has already occurred.

 Option A: 1/6

 Option B: 1/7

 Option C: 1/8

 Option D: 1/11

 Option E: 1/13
Output (English): Option A