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: No Lights. Sentence 1: I was at home watching tv. Sentence 2: Suddenly, the lights went out. Sentence 3: There was no power in my house. Sentence 4: I realized I never paid the light bill. Choices: a. Alex had a great birthday with his friends and family. b. After I paid the bill the lights were back on.
A:
b