In this task, you're given the title of a five-sentence story, the first four sentences, and two options for the fifth sentence as a and b. Your job is to pick the sentence option that does not connect with the rest of the story, indicating your choice as 'a' or 'b'. If both sentences are plausible, pick the one that makes less sense.
Q: Title: Going out for dinner. Sentence 1: I went out for dinner the other night with some friends. Sentence 2: We all met up at my favorite restaurant. Sentence 3: I was happy to eat with all of them. Sentence 4: Some friends showed up that I haven't seen in years. Choices: a. It's always good to catch up with old friends. b. It was a rough start to the school year.
A:
b