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: 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.

Ex Output:
b

Ex Input:
Title: Purchasing. Sentence 1: We wanted a house close to good schools. Sentence 2: We looked at several homes in the area. Sentence 3: The one we picked was extremely clean and nice. Sentence 4: We made an offer, which was counteroffered. Choices: a. The sparkles came out and shone brilliantly. b. We had a new home by the end of the week.

Ex Output:
a

Ex Input:
Title: Granny and Earl's Love. Sentence 1: One day granny met a 22 year old man named earl and fell in love. Sentence 2: And Earl fell in love with granny. Sentence 3: Granny and Earl's friends told them she was too old for Earl. Sentence 4: However, granny and Earl didn't care about age and decided to marry. Choices: a. Granny and Earl got married and lived happily ever after. b. For the next week, we ate and cooked our wonderful apples.

Ex Output:
b