Detailed Instructions: 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 seamlessly connects with the rest of the story, indicating your choice as 'a' or 'b'. If both sentences are plausible, pick the one that makes more sense.
Q: Title: The Broken Fan. Sentence 1: One night the fan I use for white noise broke. Sentence 2: I couldn't sleep for the rest of the night. Sentence 3: I went to the store in the morning to buy a new fan. Sentence 4: It was winter so no stores sold fans. Choices: a. Bill had a great time. b. I borrowed a fan from my sister so that I could sleep.
A:
b