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: Trade. Sentence 1: They were sold out of medium shirts. Sentence 2: All that was left was larges. Sentence 3: My friend wanted to trade with me. Sentence 4: She is smaller than me. Choices: a. My friend came to pick me up. b. So I traded with her.

Ex Output:
a

Ex Input:
Title: The Tryout. Sentence 1: Johnny was trying out for the football team. Sentence 2: The players began to practice drills. Sentence 3: Johnny stumbled forward when running a drill. Sentence 4: He was the slowest person to complete the drill. Choices: a. Johnny didn't make the team. b. She would post pictures on social media whenever she got a new one.

Ex Output:
b

Ex Input:
Title: Cart. Sentence 1: Jen found the perfect drapes for to match her carpet. Sentence 2: She put them in her shopping cart on Amazon. Sentence 3: She got sidetracked cooking dinner for her family. Sentence 4: When she came back to order, the drapes were out of stock! Choices: a. Jen was so angry that she bought shutters for the windows instead! b. Patty had to pay for the damages because she was at fault.

Ex Output:
b