Given the task definition and input, reply with output. 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.

Prompt: Bob fails a math test, he 
Completion A: holds a party to celebrate his success. 
Completion B: is upset about the results. 
Completion C: thinks his physics teacher should be responsible for it. 
Completion D: eats his fingers.

Completion B