Task: Question Answering
Input (English): Problem: a father said his son , ` ` i was as old as you are at present at the time of your birth . ` ` if the father age is 38 now , the son age 5 years back was : 
Options: a ) 14 , b ) 19 , c ) 33 , d ) 38 , e ) 56
Output (English): a