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: The Cirtus 7's,All Black 10's, White & Red 
Completion A: , are the same. No need to compare them. It's the same product.Same spec.Same build. Same engine. Same drivetrain. 
Completion B: 20's, Black 8's, and all other colour combinations from the last 40 years, were designed for those times when you just don't have th
Completion B