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: Lisa saw a new chocolate shop at her local mall. Sentence 2: So she decided to go inside. Sentence 3: Initially, she was upset by the expensive prices. Sentence 4: But she thought the chocolate there might be worth it. Sentence 5: She bought a dark chocolate bar for $11 but instantly regret it.

Expensive Chocolate