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 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.
Title: Broken Air Conditioner. Sentence 1: Emma's air conditioner quit working on a hot June day. Sentence 2: She called a repairman. Sentence 3: The repairman came to Emma's house. Sentence 4: The repairman fixed the air conditioner. Choices: a. They stayed up until after midnight laughing at funny videos online. b. Emma was able to cool the house back to a comfortable temperature.
A:
b