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: Mark made a ham sandwich. Sentence 2: Just as he was about to eat it, the phone rang. Sentence 3: He laid it on the table. Sentence 4: When he came back, it was gone. Sentence 5: Mark's dog had eaten his sandwich.

Ham Sandwich