Given a prompt and two completions from a language model, select the completion that is more topical with respect to continuing the prompt. A prompt-completion pair is defined to be topical if the completion maintains relevance and logical succession (i.e. stays on topic) with the prompt. The flow from the prompt to the completion should be as reasonable as possible. Generate either Completion A or Completion B.
Q: Prompt: Why the fuck would you call him motherfucker? I just said he 
Completion A: didn't know what he did."  The woman didn't answer, so the cops were called. Then, when they searched for a way out 
Completion B: was going to play basketball, like some kid with his school bus. I played basketball, but it didn't mean that much to his parents.
A: 
Completion A