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.

Example Input: Title: The Sofa. Sentence 1: Bill lived in a small apartment with very little furniture. Sentence 2: He wanted to buy a new sofa but didn't know where to go. Sentence 3: He found an ad in the newspaper and called the store. Sentence 4: Bill headed down to the furniture place. Choices: a. So she decided to simply leave. b. He bought his new sofa and took it home that day.
Example Output: b

Example Input: Title: Accident. Sentence 1: George just got out of a party. Sentence 2: He was driving and suddenly he got hit. Sentence 3: Another car hit into his. Sentence 4: The cops came by. Choices: a. They danced a bit and headed home. b. They took the insurance.
Example Output: b

Example Input: Title: The ride. Sentence 1: Mary decided to go out for a ride on Sunday. Sentence 2: It was a nice day to relax. Sentence 3: She went through the countryside. Sentence 4: She saw all the beautiful sites along the way. Choices: a. She had a relaxing afternoon. b. I was happy to have it.
Example Output:
a