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Given a prompt and four completions, select the completion that is the most plausible in continuing or answering the prompt. This task is designed to test common sense and has various categories ranging between idioms, negated statements, polysemy, subject referencing, and quantitative reasoning. Generate either Completion A, Completion B, Completion C, or Completion D.

Prompt: The donkey grazed in the field next to the horses. The donkey
Completion A: looked into the glass at the zoo, and saw bears, cats, llamas, and dogs.
Completion B: was reading my favorite book, War Horses.
Completion C: ate some good Chinese food for dinner.
Completion D: was grey, brown, and white.
Output:
Completion D