Task: Question Answering
Input (English): Biologists moved a predator from sea level to a higher altitude, where they noticed that the predator became tired more quickly. If this predator had to live at a higher altitude, which adaptation would be necessary for it to survive?  
 (A) increased digestion rate (B) growth of additional teeth (C) reduction of respiration rate (D) production of more red blood cells
Output (English): D