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.

Example Input: Prompt: I ain't da prettiest nigga but damn bitch I
Completion A: can play the game and I can run with my big ass ass too." This is not just about being in love with someone, this is
Completion B: miss your eyes like...I wanna know you're ready for me...I wanna know your body...I wanna know just how scared you are...
Example Output: Completion B

Example Input: Prompt: Spire installed on New York's One World Trade Center brings it to
Completion A: $20 billion. This is a joke. The construction of Trump Tower on the West Coast is the highest dollar cost in history. The cost of building
Completion B: the fore By John Bresnahan 6 March 2013 A new steel skyscraper is being built on top of the twi
Example Output: Completion A

Example Input: Prompt: i was gonna initially do the 4th but now
Completion A: they're saying it's gonna be a big event and that doesn't work out."So what can you ask of him? After all,
Completion B: 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
Example Output:
Completion A