Task: Question Answering
Input (English): How are warm-blooded animals different from cold-blooded animals?  
 (A) Warm-blooded animals have a higher metabolism in warm weather. (B) Warm-blooded animals are more aggressive in captivity. (C) Warm-blooded animals always have a higher blood temperature. (D) Warm-blooded animals normally maintain a fairly constant internal temperature at all air temperatures. (E) Warm-blooded animals are found only in warm climates.
Output (English): D