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: Five Second Rule. Sentence 1: Tom was eating pizza. Sentence 2: He accidentally dropped it on the floor. Sentence 3: Tom thought nobody was looking. Sentence 4: He picked it up and kept eating it. Choices: a. A friend saw and ridiculed him for it excessively. b. Jennifer could not have been happier.
Example Output: b

Example Input: Title: Controller. Sentence 1: Tom was playing his Xbox and out of frustration threw his control. Sentence 2: It broke on his wall. Sentence 3: Tom needed a new one so he went to gamestop and bought a new one. Sentence 4: Tom went home and started playing Xbox again. Choices: a. They were delicious. b. Tom learned to control his frustration.
Example Output: a

Example Input: Title: Riding a Bike. Sentence 1: Louis raced his bike down the street with training wheels. Sentence 2: His dad took the training wheels off of the bike. Sentence 3: Louis and his dad practiced riding the bike without the training wheel. Sentence 4: Louis fell a few times and scraped his knees. Choices: a. Jake was proud of learning how to skate. b. After practicing, Louis rode his bike without training wheels.
Example Output:
a