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.
Q: Prompt: He does not buy a humidifier. He
Completion A: had one
Completion B: doesn't like the taste of humidifier
Completion C: is walking on the street
Completion D: think it is raining outside
A:
Completion A