Task: Question Answering
Input (English): In whitetail deer, females seldom grow antlers. Which best explains why male whitetail deer grow antlers but females seldom grow antlers?  
 (A) Female deer have no need for antlers. (B) Male deer are older than female deer. (C) Antler growth is controlled by genes. (D) Antler growth depends on behavior.
Output (English): C