Arithmetic
Teacher: If you had one dollar and you asked your father for another, how many dollars would you have?
Pupil: One dollar.
Teacher: You don't know your arithmetic.
Pupil: You don't know my father!
Teacher: If you had one dollar and you asked your father for another, how many dollars would you have?
Pupil: One dollar.
Teacher: You don't know your arithmetic.
Pupil: You don't know my father!