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.

Ex Input:
Prompt: Thanks for small flat rate priority boxes. I'll remember to use
Completion A: it for another time. Maybe a day or two. Good luck to all. You will have your choice of whether or not to have it for the
Completion B: this

Ex Output:
Completion A

Ex Input:
Prompt: maaaaan dat would be the ultimate Kiss my ass
Completion A: . So I went ahead and did it. I walked down to the bar. And while I was sitting there, I kept making out with the waitress
Completion B: . It would be my ass now. Fuck this. I could have one baby. (loud pause) God I'm going to have a bab

Ex Output:
Completion B

Ex Input:
Prompt: Thanks for the small flat rate priority boxes. I'll remember to use
Completion A: one for each order and they are great choices for a few months. So a flat rate package? We'll let you know the next time you receive
Completion B: those for the other priority boxes. I'll also do the "first letter of the alphabet" priority. I've also put together my preferred priority bo

Ex Output:
Completion A