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: Chris bought a new music album online. Sentence 2: He was pretty excited to get to listen to his favorite band's music. Sentence 3: The band decided to change their music style to something hardcore. Sentence 4: Chris was very disappointed with his purchase. Sentence 5: Luckily for him the online store gave him a refund.

Chris's Purchase