Task: Question Answering
Input (English): Isabel goes jogging for two miles on a sunny afternoon. At the end of her run, she is warmer. As Isabel jogs, which function does the skin perform to help stabilize her body temperature?  
 (A) Her skin exchanges oxygen and carbon dioxide. (B) Her skin produces red blood cells. (C) Her skin releases hormones. (D) Her skin discharges water.
Output (English): D