In this task, you're given the title of a five-sentence story and the first four sentences. Your job is to write the last sentence of the story such that it seamlessly connects with the rest of the story.

Title: Lizard. Sentence 1: Tom wanted a pet. Sentence 2: Tom knew a dog or cat would be too much of a liability. Sentence 3: Tom went to the pet store. Sentence 4: Tom found a lizard he liked.
Tom bought the lizard.