Yangyang: Xintao, do you have any petty cash?
Xintao: Yes. How much do you need?
Yangyang: Can you borrow me seven yuan?
Xintao: One, two, three, four, five, six, that’s too bad. I only have six yuan.
Yangyang: Ok. Give five yuan.
Xintao: Don’t forget to return the money to me.