impressive for its simplicity. and for its bitter realism. because, it is a film about school. in same measure, it is a film about society. and, for people knowing the life under Communism, sure, it reminds the essence of dictatorship. but it has the virtue to put front to us the question - what is the reaction of us ? what is the price of resistance? what is the right way to say the truth ? what is the value of truth ? the virtue of film - an Iranian film speaks, so clear and loud, about a reality who becomes more and more present in old democracies. it is a simple interrogation. 2 + 2 = ? the answer change everything. at the each level.