Task: Question Answering
Input (English): Question: A father said to his son, "I was as old as you are at the present at the time of your birth". If the father's age is 44 years now, the son's age five years back was?

 Option A: 17years

 Option B: 18years

 Option C: 19years

 Option D: 20years

 Option E: 21years
Output (English): Option A