You will be given a definition of a task first, then some input of the task.
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'.

Sentence 1: Joe was outside playing some football. Sentence 2: He was calling for the ball. Sentence 3: Joe gets the ball passed to him. Sentence 4: Joe reaches for the ball and misses. Sentence 5: He lands on his hand and breaks it. Choices: a. the Mentor. b. Joe breaks his hand.
Output:
b