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: Michael likes to take his dog for a walk. Sentence 2: His dog is a small pomeranian. Sentence 3: Being so small, he can't walk for long. Sentence 4: Michael wears a backpack to carry him in. Sentence 5: Now he can take his dog out for a long time.

Best Friends