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: Spencer bent down to tie his shoe. Sentence 2: A pedestrian accidentally knocked him over. Sentence 3: Spencer bumped his head on a trash can. Sentence 4: He lost consciousness. Sentence 5: When he woke up he was in a hospital. Choices: a. Teds ticket. b. Shoe Tying Injury.

b