The master gives an argument for creationism. The “homework” is for the student to understand why this argument is invalid.
Every now and then, just to mix things up, the master would give an argument for a statement which actually turns out to be true, to make sure that the student is actually searching for truth, and not just arbitrary counter-arguments to whatever it is the master said.
Maybe instead of a fight, form it as a riddle:
The master gives an argument for creationism. The “homework” is for the student to understand why this argument is invalid.
Every now and then, just to mix things up, the master would give an argument for a statement which actually turns out to be true, to make sure that the student is actually searching for truth, and not just arbitrary counter-arguments to whatever it is the master said.