Task: Question Answering
Input (English): Problem: right now , the ratio between the ages of sandy and molly is 4 : 3 . after 6 years , sandy ’ s age will be 42 years . what is molly ' s age right now ? 
Options: a ) 24 , b ) 27 , c ) 30 , d ) 33 , e ) 36
Output (English): b