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: Anna was on the basketball team. Sentence 2: One day she was at practice and jumped up for the ball. Sentence 3: As she jumped she landed on her ankle too hard. Sentence 4: Anna was in pain and had to go to the ER. Sentence 5: She had fractured her bone. Choices: a. Basketball injury. b. Important Dates.

a