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: Clothes. Sentence 1: I was at a rock concert. Sentence 2: The lead singer threw free shirts to the audience. Sentence 3: Unfortunately mine was too big. Sentence 4: I saw a guy that had one that was too small. Choices: a. Eventually I made enough money to get by. b. We exchanged shirts and were very happy.
A:
a