Definition: 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'.
Input: Sentence 1: I was pedaling my bicycle on my neighbor's driveway. Sentence 2: My tire went off the edge. Sentence 3: And I fell down. Sentence 4: There was water in my knee. Sentence 5: It took weeks for it to get back to normal. Choices: a. Game. b. Injury.

b