Given the task definition and input, reply with output. 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: I Think It's A Carpet. Sentence 1: Bob looked through some pictures of a home he was interested in. Sentence 2: One of them showed some serious stains on the carpet. Sentence 3: Bob then realized he wasn't even sure it was a carpet. Sentence 4: He thought it could very well be a roof leak instead.
Bob decided to pass on that house and moved on to the next one.