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: Sam was eating a sandwich. Sentence 2: The doorbell rang. Sentence 3: Sam put the sandwich down. Sentence 4: Sam's dog jumped at the sandwich. Sentence 5: When Sam returned, the sandwich was gone.

Missing Sandwich