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: Tom bought some shoes online. Sentence 2: He thought he picked the right size. Sentence 3: They didn't fit when he got them. Sentence 4: Tom realized the sizes were different on the site. Sentence 5: He was refunded at no extra cost.

Wrong Size