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: I'm really allergic, I promise. Sentence 1: When I was younger, I was lactose intolerant. Sentence 2: Everyday at school lunch, students had to take milk. Sentence 3: My mom gave me a note that said I could bring my own water. Sentence 4: One day I forgot my note and had to drink milk. Choices: a. In a glorious shoot out Jack and Jill were both killed. b. As a result, I threw up all over my chicken nuggets.

Ex Output:
a

Ex Input:
Title: Better Cardio. Sentence 1: Tom constantly ran out of breath. Sentence 2: He decided to fix it by joining a marathon. Sentence 3: Tom trained hard for it every day. Sentence 4: He was able to finish it when the day came. Choices: a. Tom's cardio improved a great deal. b. His dog was licking his lips and chewing pieces of food.

Ex Output:
b

Ex Input:
Title: New Job. Sentence 1: Frank had worked at the same job for over four years. Sentence 2: He was getting tired of his position. Sentence 3: He wanted to do something new. Sentence 4: Frank ending up applying for a sales position. Choices: a. He ended up accepting the job offer. b. I should have called the sewage company and asked about buried pipes.

Ex Output:
b