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.
Problem:Prompt: An odd-looking rock is emanating light. It 
Completion A: slides up the side of the mountain. 
Completion B: travels at the speed of light, with the energy of a thousand suns, as quoted by a famous physicist known as Albert Einstein. 
Completion C: shines with a myriad of blinding colors. 
Completion D: runs up the rock and barks.
Solution:
Completion C