Definition: 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.
Input: Sentence 1: Stacy wanted to have a sleepover. Sentence 2: She invited Stella and lucy over. Sentence 3: Unfortunately Lucy couldn't come until later. Sentence 4: Stacy was disappointed, Sentence 5: They waited three hours for Lucy.

Waiting on lucy