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.
Q: Sentence 1: It's been too hot for my dog to want to play outside. Sentence 2: He gets so hyper inside so we have to come up with games to play. Sentence 3: I gave him a treat yesterday and he tossed it back to me. Sentence 4: I picked it up, and he opened his mouth slightly. Sentence 5: I tossed it into his mouth and he threw it back, happy.
A:
Dog Days