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: Calvin was swimming the Florida ocean. Sentence 2: He was enjoying himself when suddenly he felt weird. Sentence 3: Something was sucking him out to open ocean. Sentence 4: He tried to remember everything about riptides. Sentence 5: Luckily he just relaxed and was able to wait for a rescuer.

The Riptide.