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: Uninvited Guest. Sentence 1: Tom let a friend crash on his couch. Sentence 2: His friend overstayed his welcome. Sentence 3: One time Tom's friend invited random people over. Sentence 4: Tom didn't know about it or who they were. Choices: a. Tom asked everyone to leave immediately. b. Tom got angrier than he should.
A:
b