Task: Question Answering
Input (English): Problem: the sum of the present age of henry and jill is 40 . what is their present ages if 8 years ago henry was twice the age of jill ? 
Options: a ) 13 and 27 , b ) 16 and 24 , c ) 18 and 22 , d ) 11 and 29 , e ) none of these
Output (English): b