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: The kayakers had been out all day. Sentence 2: They approached a huge waterfall. Sentence 3: They hadn't realized it was on their path! Sentence 4: They paddled to shore as quickly as they could. Sentence 5: They made it just in time!

The Waterfall