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: Tony hates math and he is poor at computer science. Tony
Completion A: has a good grade in computer science
Completion B: may major in chemistry
Completion C: drink coke
Completion D: has a good grade in math
Completion B