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: Tom was walking to work. Sentence 2: Someone closed the door on his face. Sentence 3: Tom fell back on the floor and hit his head. Sentence 4: He was knocked out. Sentence 5: Tom had to be taken to the hospital.

Knocked Out