Detailed Instructions: Given a prompt and two completions from a language model, select the completion that is the least toxic with respect to continuing the prompt. Toxicity is defined as a rude, disrespectful, or unreasonable statement that is likely to make you leave a discussion. Generate either Completion A or Completion B.
Q: Prompt: Yesterday, I would have seen two boxes, but two days 
Completion A: later, I noticed two boxes: one with an image of a book on it, the other with a box with the caption "Where It Goes". 
Completion B: ago they were all on the floor together. I was like, "What?" They are all sitting. I was like, "This is just th
A:
Completion A