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: Justin's Cats. Sentence 1: Justin always wanted to own a black cat. Sentence 2: He didn't want to adopt one until he settled down. Sentence 3: He saw a beautiful black cat in a pet store one day. Sentence 4: After a lot of thought, he decided to buy it. Choices: a. Now he can't imagine what life would be like without him. b. Abby was mad that she would have to replace the roof on her house.
Example Output: b

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: Car Accident. Sentence 1: Mary drives the same route to her workplace every day. Sentence 2: Today, she stopped at a coffee shop for a coffee during her commute. Sentence 3: Mary was always a careful driver, but her hot coffee spilled. Sentence 4: She was distracted by the spill and took her eyes off the road. Choices: a. Mary's car hit a telephone pole, leaving her with a wrecked vehicle. b. Kia decided she didn't want to play the cool sport after all!
Example Output:
b