(S (S (PP (IN Upon) (S (VP (VBG learning) (NP (BASENP (NNP Popov) (POS 's)) (NN identity))))) (COMMA ,) (S (NP (BASENP (JJ numerous) (NNS members)) (PP (IN of) (BASENP (DT the) (JJ state-controlled) (NNS media)))) (VP (ADVP (RB strongly)) (VP (VP (VBD criticized) (BASENP (DT the) (NNS police))) (PP (IN for) (NP (BASENP (PRPD their) (JJ passive) (NN response)) (PP (TO to) (NP (BASENP (DT the) (NNS actions)) (VP (ADVP (RB allegedly)) (VP (VBN committed) (PP (IN by) (NP (BASENP (NN one)) (PP (IN of) (BASENP (PRPD their) (JJ own))))))))))))))) (PERIOD .))