Teacher: Ah Kau, if your father has $10 and you ask him for $6, how
much would your father still have?
Ah Kau: $10.
Teacher: You don't know Maths.
Ah Kau: You don't know my father la!
much would your father still have?
Ah Kau: $10.
Teacher: You don't know Maths.
Ah Kau: You don't know my father la!