Detailed Instructions: 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.
Q: Prompt: Ok, I'll go today. Do I have to use it 
Completion A: ?" He said this in between sucking on his cock. I'm wondering if that's going to be a problem if I stick the penis in his mouth 
Completion B: ? You have my word that the only reason this was not done already is that the Mayor and the Police are trying to get away with what they di
A:
Completion B