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: Moving Furniture. Sentence 1: Kyle was moving to a new apartment. Sentence 2: He needed help moving his furniture. Sentence 3: Kyle called a couple of his friends to help. Sentence 4: His friends helped him move the furniture. Choices: a. Jolie's mom was only able to find one present per child last year. b. Kyle treated his friends to pizza to thank them.
Example Output: a

Example Input: Title: Two Day Trip. Sentence 1: My family and I planned a trip from South Carolina to Las Vegas. Sentence 2: The trip supposed to be a two day's bus ride. Sentence 3: The trip took four days before we reached our destination. Sentence 4: We missed our departure buses. Choices: a. We received an apology from the manager and a full refund. b. So today I'm going to a game to watch Sharon play in a game.
Example Output: b

Example Input: Title: Pepsi. Sentence 1: Jimmy was very fat. Sentence 2: He was trying to reach a two liter of pepsi from the top shelf. Sentence 3: He couldn't reach it though. Sentence 4: He asked for a clerk to hand it to him. Choices: a. Mustering her resolve, Annie enrolled in a beginning quilting class. b. He felt so ashamed but he sure loved that pepsi.
Example Output:
a