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, find the number of keepers.
Options: a. 25, b. 20, c. 15, d. 13, e. 14
Output (English): c