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: Rena was walking in the mall. Sentence 2: Looking in the store windows, she saw a dress on sale. Sentence 3: Rena loved the dress. Sentence 4: She decided to buy it the next week. Sentence 5: When she returned, the dress was no longer on sale.

The Dress Sale