You will be given a definition of a task first, then some input of the task.
In this task, you're given five sentences, numbered 1 through 5, and two options a and b for possible titles for the story. Your job is to choose the title that better fits the story. Indicate your choice by 'a' or 'b'.

Sentence 1: A truck parked in our building driveway. Sentence 2: The concierge went out to ask why they were there. Sentence 3: Two men were in the truck, arguing. Sentence 4: The driver drove off, still yelling at his coworker. Sentence 5: We never found out why they parked in the driveway. Choices: a. Truck. b. Near a divorce.
Output:
a