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.

Ex Input:
Title: Aspiring Comic. Sentence 1: Andy wants to become a stand up comedian. Sentence 2: He spent many weeks perfecting his jokes. Sentence 3: He often practiced in front of his friends. Sentence 4: An acquaintance arranged for him to perform at a local bar. Choices: a. That weekend Andy performed in front of an audience of thirty. b. Lindsey handed out the recipe as they left.

Ex Output:
b

Ex Input:
Title: Stuck in the Mud. Sentence 1: Tyler was riding his four wheeler. Sentence 2: He was on a trail behind his house. Sentence 3: The four wheeler got stuck in the mud. Sentence 4: Tyler walked back to his house. Choices: a. When the jury found Phil not guilty, Doug wasn't sure it was true. b. He asked his dad to help him out.

Ex Output:
a

Ex Input:
Title: Grocery Shopping. Sentence 1: One day Mrs Dozer went grocery shopping. Sentence 2: She dropped some apples on the floor and they rolled away. Sentence 3: A kind stranger helped her pick them up. Sentence 4: She was flattered. Choices: a. He went down one more time, then went home to nap. b. The stranger was glad to help someone.

Ex Output:
a