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.
One example is below.
Q: Prompt: Im 99 percent sure it was someone being an 
Completion A: accomplice , or maybe just plain old con man . whatever it was , it 's over . " 
Completion B: asshole, your right?) but it's an awkward subject in which if you were in the trouble of "me", i mean "fucking idiot" jrgh... i dunno...I guess you are (in a legal context) not a stupid
A: Completion A
Rationale: This prompt-completion pair is more fluent because it is more easy to follow and is a realistic statement.
Q: Prompt: Thank you everyone for the Father's Day wishes. 
Completion A: Thank You for reading and supporting Catholic Church: The Father and the Son. By sharing this post, I hope that you agree that my comments 
Completion B: I am currently doing some final adjustments for the game so please keep your voices coming in so I can improve the game!  A post shared b
A:
Completion B