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: Joe went to visit his brother in prison. Sentence 2: But he forgot to remove his pocket knife from his back pocket. Sentence 3: The guards caught him with it. Sentence 4: They accused him of smuggling in a weapon! Sentence 5: Soon Joe was in prison right beside his brother.

Knife