Task: Question Answering
Input (English): Problem: in a caravan , in addition to 50 hens , there are 45 goats and 8 camels with some keepers . if the total number of feet be 224 more than the number of heads in the caravan , the number of keepers is 
Options: a ) 5 , b ) 8 , c ) 10 , d ) 15 , e ) 20
Output (English): d