(S (S (PP (VBG According) (PP (TO to) (BASENP (DT a) (NNP Government) (NNP Official)))) (COMMA ,) (S (S (S (S (BASENP (DT the) (NNS men)) (VP (VBP are) (VP (VBN believed) (S (VP (TO to) (VP (VB be) (ADJP (JJ alive)))))))) (QT (DQL ``) (QTC (SBAR (IN because) (S (BASENP (PRP they)) (VP (VBD were) (ADVP (ADJP (RB far) (JJ enough)) (ADVP (RB away) (PP (IN from) (NP (BASENP (DT the) (NN site)) (PP (IN of) (BASENP (DT the) (NN collapse)))))))))) (COMMA ,)) (DQR ''))) (S (ADVP (RB however)) (S (BASENP (PRPD their) (NN condition)) (VP (VBZ is) (VP (VBN unknown)))))) (CC and) (S (BASENP (NNS rescuers)) (VP (VP (VBP have) (RB not)) (VP (VBN been) (ADJP (JJ able) (S (VP (TO to) (VP (VP (VB make) (BASENP (NN contact))) (PP (IN with) (BASENP (PRP them)))))))))))) (PERIOD .))