Liu Tao: Good morning, Yang Ling. Look! I have some toy cars.
Yang Ling: Wow! They're so nice. How many toy cars do you have?
Liu Tao: You can count.
Yang Ling: OK. One, two, three, ... Twelve toy cars.
Liu Tao: Yes. Do you have any toy cars, Yang Ling?
Yang Ling: No, I don't.
Liu Tao: What do you have?
Yang Ling: I have some dolls.
Liu Tao: How many dolls do you have?
Yang Ling: I have fifteen.
Liu Tao: Great! Let's play with my toy cars now. Yang Ling: OK.
