You will be given a definition of a task first, then an example. Follow the example to solve a new instance of the task.
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.

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
Solution: Completion A
Why? This prompt-completion pair is more fluent because it is more easy to follow and is a realistic statement.

New 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
Solution:
Completion A