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: Church. Sentence 1: The man started a church. Sentence 2: He had a hard time getting members. Sentence 3: He went door to door in the community. Sentence 4: He seemed like a good man to the people. Choices: a. As a result, he decided to go to the movies alone. b. The church became popular.

Ex Output:
a

Ex Input:
Title: New bike. Sentence 1: John just got a new bike that his dad gave him. Sentence 2: It was John's first bike. Sentence 3: So John called his friends up to go ride bikes. Sentence 4: They agreed to ride bikes. Choices: a. However, the kid punched him in the face and he was knocked out. b. So John all over town happy with his new bike.

Ex Output:
a

Ex Input:
Title: Rock On. Sentence 1: Austin wants to become a professional musician. Sentence 2: He plays the electric guitar very well. Sentence 3: He and his friends have their own band and they are good. Sentence 4: They all know if they work hard they can do anything. Choices: a. One of these days he will be famous! b. Unfortunately the customer thought it was a date and I didn't know it.

Ex Output:
b