Given the task definition and input, reply with output. 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.

Sentence 1: Heather was having her birthday party with all her classmates. Sentence 2: She was having a good time until some mean girls provoked her. Sentence 3: The girls all ended up in a large fight. Sentence 4: Heather's mom was mad so she ended the party right then. Sentence 5: Heather was so sad, but later she understood that she was wrong.
The Ruined Party