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.

Example 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.
Example Output: a

Example Input: Title: Missed Class. Sentence 1: One day, I was late for class. Sentence 2: I had forgotten the teacher said to meet in the library that day. Sentence 3: I went to class, and sat there for half an hour alone. Sentence 4: The teacher finally sent my best friend to find me. Choices: a. She said the teacher was laughing at me, so I was relieved. b. He got his ball and also managed to get a date with her.
Example Output: b

Example Input: Title: Mac and the chicken. Sentence 1: One day mac was on his way to the market with a chicken. Sentence 2: Mac had a family that he had to feed and needed a job. Sentence 3: Mac went to the butcher and was ready to sell the chicken. Sentence 4: The butcher paid mac double for the chicken. Choices: a. She loved the doll and it kept her happy for the day. b. And the butcher offered Mac a job to be a man.
Example Output:
a