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.

Input: Consider Input: Title: Scary Book. Sentence 1: Tom started to read a new book. Sentence 2: It was a horror novel. Sentence 3: Tom got really into it. Sentence 4: After a while it started to really freak him out. Choices: a. Tom finished it fast and was scared for weeks. b. Tom got up and went home.

Output: b

Input: Consider Input: Title: Teddy becomes president. Sentence 1: Teddy had a passion. Sentence 2: He had a passion to change his country for better. Sentence 3: So he ran for president. Sentence 4: Teddy told the american people what they wanted to hear. Choices: a. Teddy got elected and become the president. b. I told them there was no way that would happen.

Output: b

Input: Consider Input: Title: The Vending Machine. Sentence 1: Darren was hungry so he walked to a vending machine. Sentence 2: He put in four quarters to buy some chips. Sentence 3: The machine started to drop the bag, but stopped before it could fall. Sentence 4: He shook the vending machine to try to get his chips to fall. Choices: a. It was a great father-son outing! b. Finally his chips fell and he savored his chips.
Output: a