Task: Question Answering
Input (English): Problem: a , b and c rents a pasture for rs . 870 . a put in 12 horses for 8 months , b 16 horses for 9 months and 18 horses for 6 months . how much should c pay ? 
Options: a ) 180 , b ) 270 , c ) 360 , d ) 500 , e ) 550
Output (English): b