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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: A conductor stands at the podium as the concert begins. He
Completion A: cues the oboes at the beginning of the symphony.
Completion B: begins to conduct electricity very well.
Completion C: applauds the music from the balcony.
Completion D: accepts his medal and thanks the crowd.
Output:
Completion A