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: Hunter wanted to buy a new pet. Sentence 2: He always enjoyed dogs, so he decided to buy one. Sentence 3: At the pet store, he found the perfect dog for him. Sentence 4: Months later, his pet grew to be large and ferocious. Sentence 5: It was then he realized the dog was actually a wolf.

Wolf