Task: Question Answering
Input (English): Question: The probability of Sam passing the exam is 1/5. The probability of Sam passing the exam and Michael passing the driving test is 1/6. What is the probability of Michael passing his driving test?

 Option A: 5/6.

 Option B: 1/2.

 Option C: 1/3.

 Option D: 2/3.

 Option E: 2/5
Output (English): Option A