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: Not so fast. Sentence 1: Trina's husband got signed to the nba. Sentence 2: Trina was so happy. Sentence 3: So they went and bought a mansion. Sentence 4: Then her husband was let go. Choices: a. The couple panicked and the home had to go to the bank. b. The team couldn't even run one lap.

Ex Output:
b

Ex Input:
Title: Katie Courier. Sentence 1: Katie was asked by a stranger to deliver a package. Sentence 2: She unwisely took the package of unknown contents. Sentence 3: While delivering the package it tore open. Sentence 4: Some of the toxic substance in it leaked out. Choices: a. Tim had less tickets than any of his friends. b. She became very ill at the exposure to the contents.

Ex Output:
a

Ex Input:
Title: My first interception. Sentence 1: When I was 13, I made my first interception in a football game. Sentence 2: I was playing linebacker and my coach called a blitz. Sentence 3: The other team's quarterback threw it quickly. Sentence 4: I saw the ball coming and I jumped to catch it. Choices: a. Even then it still was not ready for her to go to work in. b. As soon as I caught it, I ran it back for a touchdown.

Ex Output:
a