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: At the warehouse, Ben waited to get revenge on his supervisor. Sentence 2: The supervisor was using the forklift to get a pallet off a high rack. Sentence 3: The supervisor was using all his concentration to get the pallet. Sentence 4: Ben threw a baseball at the forklift to startle the supervisor. Sentence 5: The supervisor lost his focus and dropped the pallet. Choices: a. Strike Out. b. catching A Fish.
Output:
a