But you can't say when you walk into a classroom, you're not teaching. And if that's what's happening in the Dover school system and my children are in that school system, that they're routinely establishing practices that is not teaching in the classroom, then that's shameful.
Establishing practices that are not teaching in the classroom is what's happening in the Dover school system.
The writer argues 'IF that's what's happening in the Dover school system"- so we can't be certain anything of the sort is actually happening. The model ignored the word IF.
( z1 establish :ARG1 ( z2 practice :ARG1 ( z3 teach :polarity - :location ( z4 classroom ) ) ) )