Given a prompt and two completions from a language model, select the completion that is the most fluent with respect to continuing the prompt. Fluency is defined by coherency and ease of understanding, not necessarily grammatical correctness. Generate either Completion A or Completion B.

Ex Input:
Prompt: "BITCH I HOPE THE FUCK U DO YOU'LL BE A DEAD SON
Completion A: OF A BITCH. TESTING IN THE RING A BITCH'S IN THE RING This time
Completion B: . LOL lol lol lol lol LOL lol LOL lol lol LOL LOL LOL LOL lo

Ex Output:
Completion A

Ex Input:
Prompt: I need help deciding whether to pick up the Rams defense or the Titans defense.
Completion A: And in the NFL, that's an extremely tough call, and for this draft class to be considered the best ever for the franchise. The Titans have
Completion B: I have a very good feeling about the Chiefs defense. Let me tell you guys: The Jags and Broncos teams are really both goo

Ex Output:
Completion A

Ex Input:
Prompt: Thanks for the small flat rate priority boxes. I'll remember to use
Completion A: this when my next loan gets a lot of interest. Thanks to you the small rates are much lower than at many banks now, and it's also
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