(S (S (BASENP (PRP He)) (VP (VBD said) (SBAR (S (NP (BASENP (JJ Russian) (NNS schools)) (PRN (COMMA ,) (SBAR (WHNP (WDT which)) (S (VP (VBP are) (VP (VBN criticised) (PP (IN for) (NP (BASENP (NNP understaffing)) (CC and) (NP (BASENP (JJ perceived) (NNS inattention)) (PP (TO to) (BASENP (NN bullying)))))))))) (COMMA ,))) (VP (MD should) (VP (VB teach) (BASENP (NN psychology)))))))) (PERIOD .))