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: Clown School. Sentence 1: Signing up for clown school had seemed a fun idea. Sentence 2: Henry had not known what hard work it would be. Sentence 3: The first trick he had to learn was juggling. Sentence 4: He had several bruises on his feet from dropping bowling pins. Choices: a. I closed them when it was time to go. b. However, after a week of practice, Henry was a juggling genius.

Output: a

Input: Consider Input: Title: Going to Mexico. Sentence 1: Tom was on spring break. Sentence 2: He went on a trip to Mexico with friends. Sentence 3: They stuck to the tourist areas. Sentence 4: The beaches were beautiful. Choices: a. Tom had a great time. b. Kim thanked her grandparents by buying them movie tickets.

Output: b

Input: Consider Input: Title: Thunder Storm. Sentence 1: A big thunderstorm rolled through a town. Sentence 2: Little Belle is afraid of thunder and lightning. Sentence 3: She immediately runs to her dad. Sentence 4: Her dad always makes her feel safe. Choices: a. Belle doesn't know her dad is afraid of thunder too. b. Terry rose from the water, with the toy fin on his head.
Output: b