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 Q]: Title: Good guy. Sentence 1: Robert was a good guy. Sentence 2: So when someone stole his cell phone at work everyone was indignant. Sentence 3: They all tried to find out who had done it. Sentence 4: But when they didn't catch the thief, they all pitched in. Choices: a. They offered Robert a new model to make up for the stolen one. b. Jake was sad to have to postpone the climb.
[EX A]: b

[EX Q]: Title: Tyler wins a car. Sentence 1: Tyler is listening to his favorite radio station. Sentence 2: The station announces a contest to a lucky caller. Sentence 3: Tyler phones the station. Sentence 4: He gets on the air and answers the trivia question correctly. Choices: a. Tyler wins a new car from the radio station. b. Mandy had to clean the mess before the ants spread around her house.
[EX A]: b

[EX Q]: Title: Idiot. Sentence 1: Ana looked up at the roof and scoffed. Sentence 2: Bob nodded his head in agreement. Sentence 3: The roof looked absolutely fine. Sentence 4: Ana expressed she couldn't believe the homeowner wanted it replaced. Choices: a. His family happily took their first trip out on the water! b. Bob said the owner must be a world class idiot.
[EX A]:
a