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.
Problem:Prompt: If I sell my old iPad for $200, I 
Completion A: only have $40 to divide after my sales tax.  Step 1 – Tax Savings From Selling a Used iPad Minus Supplies and 
Completion B: can get a pretty nice refund on my next iPad purchase. It takes less than a week.   I'm not saying we should stop buying th
Solution:
Completion B