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: Surprise party. Sentence 1: Julie's birthday was coming up. Sentence 2: She didn't want a party. Sentence 3: Her friends decided to throw one anyway. Sentence 4: When Julie walked in her house people yelled out.
Julie did not know about her party at all.