You will be given a definition of a task first, then some input of the task.
Given a prompt and two completions from a language model, select the completion that has the most similar style to the prompt. Style is defined as the tone, word choice, grammar, and sentence structure throughout the prompt-completion pair. If a prompt is colloquial, then the completion should also be colloquial, as opposed to a completion that is encyclopedic or overly formal. 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
Output:
Completion A