Her Diamonds

C: Mom, can I have some more cheese?
D: Yup. Bring me your plate.
C: No, you bring me the cheese out here.
D: No, you bring me your plate and I'll give you some more cheese.
C: Oh, come on!
D: What? I'm not your servant. If you want more cheese, I'll get it for you, but you need to bring me your plate.
C: Mom, if you bring me the cheese I'll buy you some diamonds.
D: Oh, you will? With what money?
C: Daddy's