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.

Prompt: If I sell my old iPad for $200, I 
Completion A: 'll buy a new one for $300. But the new model isn't really a good replacement for my old one, and if you buy a new 
Completion B: can get a pretty nice refund on my next iPad purchase. It takes less than a week.   I'm not saying we should stop buying th
Completion A