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: Going to the Park. Sentence 1: Ken went to the park to walk around. Sentence 2: He needed to clear his head. Sentence 3: The air was crisp and the mood was lazy. Sentence 4: Ken enjoyed walking on the soft grass. Choices: a. It helped him get in a better state of mind. b. She got better but never made the same mistake again.

Ex Output:
b

Ex Input:
Title: The big match. Sentence 1: EJay had entered himself into a tennis tournament. Sentence 2: He spent all of his free time practicing. Sentence 3: After a few weeks he felt confident about his skill level. Sentence 4: The day of the tournament Jay got a good draw. Choices: a. I said it might pay for the movie. b. He went on to win the tournament.

Ex Output:
a

Ex Input:
Title: New car. Sentence 1: Jim has been saving up all year for a new car. Sentence 2: He was so excited to go to the car lot and shop. Sentence 3: When he found the car he wanted, he put in an offer. Sentence 4: It was accepted. Choices: a. But by the time she got there, she decided to settle for fast food. b. Jim was excited to finally have a car.

Ex Output:
a