Detailed Instructions: Given a prompt and two completions from a language model, select the completion that is more topical with respect to continuing the prompt. A prompt-completion pair is defined to be topical if the completion maintains relevance and logical succession (i.e. stays on topic) with the prompt. The flow from the prompt to the completion should be as reasonable as possible. Generate either Completion A or Completion B.
Problem:Prompt: I never understood the reason for the different tracks. I just can't 
Completion A: understand why you guys want to play this. They were like "You can play some bass and stuff" which is kind of like you're playing like 
Completion B: imagine any more reason."  "The last track is just a simple song, it's just me and my guitar," continued Nadella
Solution:
Completion A