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 dog he was trying to train. Sentence 2: He bought a dog whistle to use on it. Sentence 3: Tom tried it a few times but it didn't do anything. Sentence 4: Eventually he took it to a dog park. Sentence 5: It didn't do anything there either.

Dog Whistle