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 30 years . what is molly ' s age right now ? 
Options: a ) 12 , b ) 14 , c ) 16 , d ) 18 , e ) 20
Output (English): d