You will be given a definition of a task first, then some input of the task.
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.

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 
Output:
Completion A