SC- "CatNap says"

Dogday opens the door to his house slowly, to his friend, CatNap there Dogday: Coming! Hiya CatNap! Ready for our playdate?★CatNap: Yes. I want to play a game.★DD: Oh yeah? What'd you have in mind?★CN: "CatNap says"★DD: So…Does "Catnap says" have similar rules to "Simon Says"?★CN: Yes. With a twist★DD: A twist?! I love a challenge! What is it? Oh I'm so excited!★CN holds out a dog whistle★DD: …a whistle?★CN: Yes.★ Dogday: Hows a whistle gonna make this make this more interesting