Oh, I can smell your diaper. I think you went poopy. Yes, there is a poop in your diaper. Let’s go change your poopy diaper.
Is your diaper wet? Did you go pee-pee in your diaper? You have a wet diaper. Let’s take this wet diaper off of you.
Your diaper is very stinky. Let’s go change your diaper. You are not stinky anymore now that you have a new diaper on!
I think you might have a dirty diaper. I smell something! Oh, yes, I was right, you have a dirty diaper. Let’s get this dirty diaper off of you. I’m throwing away your dirty diaper.
Do you need a new diaper? Is your diaper clean? Is your diaper dirty? I am going to take off your dirty diaper and put on a clean diaper.