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.

Input: Consider Input: Title: childhood friend. Sentence 1: Dan saw a girl next to the swings. Sentence 2: Dan asked her if she want to swing her. Sentence 3: She agreed to Dan's offer. Sentence 4: Dan started a conversation with her. Choices: a. They became friends. b. We are so glad we adopted him after all!

Output: b

Input: Consider Input: Title: Staying Late. Sentence 1: Sam was working hard. Sentence 2: He didn't realize how late it had gotten. Sentence 3: Ha had to have clocked out hours prior. Sentence 4: His boss got upset at him. Choices: a. Sam got written up and reprimanded. b. I sure hope they have enough pizzas!

Output: b

Input: Consider Input: Title: Tom the musician. Sentence 1: Tom is a musician who plays guitar. Sentence 2: He joined a band that became very popular. Sentence 3: Tom had to quit the band because his foot hurt too much to stand. Sentence 4: The band came to his house and recorded music. Choices: a. Steel died about three years ago. b. They made a record that's now playing on the radio.
Output: a