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: Movie Night. Sentence 1: Mark purchased two tickets for the nine o'clock show. Sentence 2: Mary saw him exit the line and headed to the concession. Sentence 3: Mark joined Mary on the concession stand line. Sentence 4: When it was their turn, they ordered refreshments. Choices: a. The food was a new food. b. Mark and Marty took their snacks into the theater.

Output: a

Input: Consider Input: Title: Elephant Trainer. Sentence 1: Lisa was ready for the big performance. Sentence 2: She had been working all day with the elephants. Sentence 3: The ringmaster's introduction rang throughout the big top. Sentence 4: Lucy the elephant sauntered into the tent with Lisa riding her. Choices: a. It had been a long, but wonderfully exciting day. b. Then I wheeled my cart to my car, unloaded, then went home.

Output: b

Input: Consider Input: Title: Casual Friday. Sentence 1: Jill has to wear a dress to work everyday. Sentence 2: Except on Friday they have Casual Friday. Sentence 3: She can wear whatever she wants. Sentence 4: Jill usually wears jeans and a t-shirt. Choices: a. She says that she is most comfortable that way. b. I decided not to ever leave, no matter what.
Output: b