Given the task definition and input, reply with output. 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: The yard was terribly overgrown. Sentence 2: I had been asking the guys to mow it for weeks. Sentence 3: Finally, I couldn't stand looking at it, so I mowed the grass. Sentence 4: While I was mowing I caught my foot in a rabbit hole and tripped. Sentence 5: I dislocated my hip and had to go to the hospital. Choices: a. The Hospital. b. Trip to the Hospital.
b