Task: Question Answering
Input (English): Question: A man and his wife appear in an interview for two vacancies in the same post. The probability of husband’s selection is (1/7) and the probability of wife’s selection is (1/5). What is the probability that only one of them is selected?

 Option A: 1/7

 Option B: 2/7

 Option C: 3/7

 Option D: 4/7

 Option E: 5/7
Output (English): Option B