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.

[Q]: Title: Late For Work. Sentence 1: On the way to work this morning, I got a flat tire. Sentence 2: I had to pull over on the shoulder of the expressway. Sentence 3: After using the jack to lift the car, I successfully changed the tire. Sentence 4: With the spare tire in place, I sped off towards my office. Choices: a. I will never forget the look of surprise on his face! b. I was twenty minutes late, but my boss didn't mind.
[A]: b

[Q]: Title: ask. Sentence 1: Fred asked a question. Sentence 2: His classmates laughed. Sentence 3: The teacher quieted the class. Sentence 4: He taught that there were no stupid questions. Choices: a. Fred's was pretty dumb though. b. I beat a drum to the sounds of the water droplets.
[A]: a

[Q]: Title: The Mailman. Sentence 1: Kelley has worked for the post office for six years. Sentence 2: He normally works at the counter, but occasionally has to carry mail. Sentence 3: The last time he delivered mail, he decided not to deliver it all. Sentence 4: He threw away many people's mail and slept in his truck. Choices: a. Kelley's boss quickly found out and he was fired promptly. b. He simply moved out while she was at work and never told her.
[A]:
a