Given the task definition and input, reply with output. 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.

Prompt: Fuck you, 50, you're an old person going to a matinee. 
Completion A: Dumbass! He's my enemy because of the way he looks at me. How dare you. You're not supposed to date a 
Completion B: A matinee is held after a performance, a performance before a movie.  A matinee allows people to sit back and watch th

Completion B