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 had a police scanner app on his phone. Sentence 2: He would randomly listen in for fun. Sentence 3: One time he noticed a suspect they were talking about. Sentence 4: He called the tip line to let the police know. Sentence 5: They were able to apprehend him because of Tom's help.

Police Scanner