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 seamlessly connects with the rest of the story, indicating your choice as 'a' or 'b'. If both sentences are plausible, pick the one that makes more sense.

Title: Healthy Breakfast. Sentence 1: John felt lethargic and out of it throughout the day. Sentence 2: His doctor said it was due to his poor breakfast eating habits. Sentence 3: John decided to eat a healthier breakfast. Sentence 4: After only a few days John noticed a big difference. Choices: a. He kept eating properly for as long as he could. b. It wasn't long before he had a terrible stomachache.
a

Title: The System Check. Sentence 1: Marvin called a repairman to his house. Sentence 2: His air conditioner seemed to be struggling. Sentence 3: It was almost 80 degrees in his house. Sentence 4: The repairman replaced a part. Choices: a. He watched them until they were out of sight. b. By that evening, the house was a cool 72 degrees.
b

Title: Matt gets a new car. Sentence 1: Matt has been working hard at his job. Sentence 2: He worked so hard he became the top person in his work place. Sentence 3: The workplace decided it was time to reward Matt for his hard work. Sentence 4: The company gave him his very own car. Choices: a. She goes and buys her new shirt with her money. b. He was very happy with it.
b