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: Electricity. Sentence 1: Christopher was behind on his electric bill. Sentence 2: He called the electric company and asked for a payment scheme. Sentence 3: The company wanted their money in three equal payments. Sentence 4: Christopher agreed to the three equal payments. Choices: a. And now Christopher's electricity won't be shut off. b. She politely asked her friend to call before her next visit.
A:
a