Task: Question Answering
Input (English): Question: A five digit number is to be formed using each of the digits 1, 2, 3, 4 and 5 ONLY ONCE. How many numbers can be formed when 3 and 5 are not together ?

 Option A:  72

 Option B:  36

 Option C:  48

 Option D:  60

 Option E:  120
Output (English): Option A