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.

Sentence 1: Jim had just bought his brand new puppy. Sentence 2: He loved to play with him so much. Sentence 3: Jim had to run to the store and left his puppy in the car. Sentence 4: Jim hurried and grabbed a few things at the grocery store. Sentence 5: When Jim got back he realized his puppy had jumped out of the window.
Jim loses his puppy