Detailed Instructions: 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: The old man says that balance is important for a healthy life. He means
Completion A: don't trip while you're walking on the sidewalk.
Completion B: don't fall into the sun.
Completion C: even too much of a good thing can be bad.
Completion D: don't fall off of buildings.
A:
Completion C