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: James went on a mountain hike by himself. Sentence 2: During his hike, he tripped and sprained his ankle. Sentence 3: Unable to walk, he called for help. Sentence 4: A pair of hikers soon found him and helped him return to the trailhead. Sentence 5: James was thankful for the assistance. Choices: a. James' Hike. b. Crown.

a