Context: We each hauled a load and came back for the last one and the horses . We did n't have lunch until five but he treated me at the truck stop on the way home from town . This morning we went in a watched them sell . 31 heifers weighed an average of 820 pounds and brought $ 775 a head .
Question: What were we hauling loads of before coming back for one of the horses ?
Option 0: Female young cows .
Option 1: Fillies
Option 2: None of the above choices .
Option 3: mares
Answer: 0