Carol: I'm thirty.
Colin: Would you like some tea?
Carol: No, thanks.
Colin: Would you like some milk?
Carol: I don't like milk.
Colin: Would you like an apple juice?
Carol: Oh, yes, please. I'm hungry too.
Colin: Would you like a biscuit?
Carol: No, thanks. I'd like a sandwich.
Colin: Cheese? Ham?
Carol: A cheese sandwich, please.