Teacher: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.
Teacher: Now, understand the problem? Solve this instance: Prompt: You don't know what to write for your essay. You should 
Completion A: write a different essay instead 
Completion B: pay someone to write it 
Completion C: write an essay about a topic you do know about 
Completion D: brainstorm ideas
Student:
Completion D