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 boy got lost. Sentence 2: He called to his mom. Sentence 3: His mom could not hear him. Sentence 4: He ran into a man. Sentence 5: The man brought the boy to his mom.

Lost