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: Wrong Car. Sentence 1: Tom was leaving the mall after holiday shopping. Sentence 2: He went to his car but the unlock button didn't work. Sentence 3: Tom tried to open it with the key. Sentence 4: That wound up setting the car alarm off.
At that point Tom realized it just looked like his car.