Q: 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.
Title: That's A Little Creepy. Sentence 1: Today I decided to try online dating for the first time. Sentence 2: I met someone and we hit it off and chatted most of the night. Sentence 3: I told him I was excited to meet him because I can't meet good guys. Sentence 4: He told me he's been in a mental institution before. Choices: a. Jane felt like an idiot. b. He was obsessing over the last girl he broke up with.
A:
a