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.

Input: Consider Input: Prompt: Professor Downey has solved the most difficult NLP problem. He is 
Completion A: sad that it was a difficult problem. 
Completion B: sad that he has solved the difficult problem. 
Completion C: very sad. 
Completion D: happy to have solved it.

Output: Completion D


Input: Consider Input: Prompt: ten minus nine is 
Completion A: eight 
Completion B: ten 
Completion C: nine 
Completion D: one

Output: Completion D


Input: Consider Input: Prompt: He's had a lot on his plate this quarter. You should 
Completion A: cut him some slack 
Completion B: give him more work 
Completion C: point out his failures 
Completion D: be harsh on him


Output: Completion A