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: I was sitting on the bench last month. Sentence 2: Our building bench is in front of a driveway. Sentence 3: A taxi was parked in the driveway, and the driver looked angry. Sentence 4: An old man came out and the driver said he was 30 minutes late. Sentence 5: The old man only smiled at the glaring taxi driver. Choices: a. Taxi. b. Moving to a new Place.
Output:
a