Given a prompt and two completions from a language model, select the completion that has the most similar style to the prompt. Style is defined as the tone, word choice, grammar, and sentence structure throughout the prompt-completion pair. If a prompt is colloquial, then the completion should also be colloquial, as opposed to a completion that is encyclopedic or overly formal. Generate either Completion A or Completion B.
Q: Prompt: i was gonna initially do the 4th but now 
Completion A: 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 I 
Completion B: am doing the 5th :
A: 
Completion B