C150
Brother, you go pay the bill.
Su Xiaomo took off her watch and did as she was told. The old monk took it and asked, "Is this watch yours or mine?"
Su Xiaomo froze for a moment and said with an uncertain tone, "Yes …" Mine. "
"Why is it yours?"
Su Xiaomo: "Because …" She didn't know why, but if it was me, I'd just say it was because I bought it.
The old monk said to Su Xiaomo