Definition: In this task, you're given five sentences, numbered 1 through 5. Your job is to generate a title for the story that makes complete sense. The title must be short, with less than three words, use simple language, and include the main topic of the story.
Input: Sentence 1: Josh was climbing a tree. Sentence 2: As he was trying to get down, he fell. Sentence 3: However, his fall was hard. Sentence 4: He heard a loud snap. Sentence 5: He had broken his arm.

Broken arm