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 does not connect with the rest of the story, indicating your choice as 'a' or 'b'. If both sentences are plausible, pick the one that makes less sense.

Example Input: Title: The Scrapbook. Sentence 1: Mary decided to make a scrapbook of her summer one year. Sentence 2: Over the course of break she took photos. Sentence 3: She put them in the scrapbook. Sentence 4: She also decorated the pages. Choices: a. Wally would never forgive himself. b. After break she decided she had done a good job.
Example Output: a

Example Input: Title: The Broken Phone. Sentence 1: Just a week after getting a new phone, Brad dropped it. Sentence 2: The screen on the phone cracked. Sentence 3: Brad had to take the phone to a repair shop. Sentence 4: He was thankful to learn that the phone was still under warranty. Choices: a. Garry punched the woman and knocked her out. b. The screen was fixed and good as new.
Example Output: a

Example Input: Title: cable bill. Sentence 1: Regan need to pay his cable bill. Sentence 2: When he called to make the payment he did not have enough money. Sentence 3: There were several charges he was not aware of. Sentence 4: He had to make a payment arrangement to pay the full balance. Choices: a. Regan had to work overtime to come up with the extra money. b. He knew that he wouldn't of had this problem if he had dusted sooner.
Example Output:
b