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: Katie was going to the mall to meet her friends. Sentence 2: On the way, she got a phone call from her sister. Sentence 3: Her sister needed a babysitter. Sentence 4: Katie decided she would babysit instead of going to the mall. Sentence 5: She called her friends to say she wouldn't make it to the mall.

The Cancelled Trip to the Mall