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: A girl is reading a book on unicorns on her porch. The girl
Completion A: flies through the door.
Completion B: sees a unicorn in her backyard.
Completion C: is approached by a fairy.
Completion D: decides she likes dragons better.
A:
Completion D