A: You look tired!?
B: I stayed up too late until midnight last night.
A: ? I called you three times last night but you didn't answer.
B: I was all the time reading an interesting story book without the phone.
A: ?
B: It's about a man named Yu Yong who moves the mountains in front of his house.
A: ?
B: It's interesting.
A: ?
B: Sure. But you mustn't lend it to others.
A: Thank you.
B: You are welcome.
