Liu Tao: What’s the time now, Yang Ling?
Yang Ling: It’s four thirty. It’s time to go home.
Liu Tao: It’s raining (下雨). Where is my umbrella?
Yang Ling: Look! There’s a red umbrella under the desk.
Liu Tao: That isn’t my umbrella.
Yang Ling: There are four umbrellas near the blackboard. Which one is yours (你的), Liu Tao?
Liu Tao: The blue one. Thank you, Yang Ling.
Yang Ling: Shall we go home together? I don’t have umbrellas.
Liu Tao: Great! Let’s go.