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: Pam Discovers Authentic Mexican Cuisine. Sentence 1: Pam never cared much for Mexican food. Sentence 2: She would go to a Mexican restaurant if her friends really wanted to. Sentence 3: One day, they went to a new place with more authentic Mexican cuisine. Sentence 4: Pam loved the authentic style with its creamy cheese and milder sauce. Choices: a. Sushi is Kole's new favorite food. b. She realized it was the Americanized version she didn't care for.
Example Output: a

Example Input: Title: Changes. Sentence 1: Jane had been a nurse for 12 years, and liked her job. Sentence 2: But her real passion had always been music. Sentence 3: At 36, she decided to finally pursue her dream. Sentence 4: She was apprehensive, but set up a business teaching music. Choices: a. The change had been scary, but she was so happy she had done it. b. He put some gas into the tank of his car and went to work.
Example Output: b

Example Input: Title: The Jazz Club. Sentence 1: Billy and his friend were headed to a jazz club. Sentence 2: They both were eager to see what it was like. Sentence 3: They arrived and headed in. Sentence 4: The club was very cool. Choices: a. They had a great time and heard some great music that night. b. Larry felt so alive during his final hours.
Example Output:
b