(S (S (BASENP (PRP He)) (VP (VP (VBD cited) (NP (BASENP (NNP Czechoslovakia) (POS 's)) (NP (BASENP (NN 1948) (NN destruction)) (PP (IN of) (BASENP (JJ civil) (NN society)))))) (PP (IN as) (BASENP (DT a) (JJ significant) (NN delay))))) (PERIOD .))