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: Justin didn't like his math teacher. Sentence 2: He wrote nasty things about her on the school's bathroom wall. Sentence 3: One of his schoolmates saw Justin writing on the wall. Sentence 4: Justin was reported to the principal. Sentence 5: Justin received a week's worth of detention.

Justin's Bad Deed