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: Tom was out on a hike. Sentence 2: He took a wrong step and fell. Sentence 3: Tom felt his ankle break. Sentence 4: It took him a long time to limp back. Sentence 5: He had to get a cast at the hospital. Choices: a. Lost Remote. b. Hurt Ankle.

b