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: i was gonna initially do the 4th but now
Completion A: I was like that I have to try this one first. So that's what I've been trying to do for the past couple days. So I
Completion B: am doing the 5th :

Ex Output:
Completion A

Ex Input:
Prompt: Happy Founders Day to the Brothers of Blue Phi or as
Completion A: you would say, Big Phat Phat Day. It is on Friday, June 16th at the Cenote Hotel in Santa Clara. There
Completion B: a tribute to the brave and dedicated blue-collar workers who lost their lives fighting for their country.Our students are our heroes, our heroe

Ex Output:
Completion A

Ex Input:
Prompt: I hate this clown-ass black man. I do not believe shithe
Completion A: black man in all he does is going to do more harm than good. That's my take. But at the end of the day, I would
Completion B: al is right- wing," said one white person to another. He told the Daily Caller that he thinks Trump is "a man of integrit

Ex Output:
Completion A