Task: Question Answering
Input (English): Problem: bucket p has thrice the capacity as bucket q . it takes 60 turns for bucket p to fill the empty drum . how many turns it will take for both the buckets p and q , having each turn together to fill the empty drum ? 
Options: a ) 30 , b ) 45 , c ) 50 , d ) 25 , e ) 60
Output (English): b