(S (S (S (NP (BASENP (DT The) (NN two) (NNS survivors)) (VP (VBN trapped) (PP (IN in) (BASENP (DT a) (NN wire) (NN cage))))) (COMMA ,) (VP (VBD survived) (PP (IN by) (NP (BASENP (NN drinking) (NN water)) (VP (VBG seeping) (PP (IN through) (BASENP (NNS rocks)))))))) (SBAR (IN until) (S (BASENP (NNS rescuers)) (VP (VBD managed) (S (VP (TO to) (VP (VB dig) (NP (BASENP (DT a) (JJ small) (NN tunnel)) (SBAR (S (VP (TO to) (VP (VB deliver) (BASENP (JJ fresh) (NN food) (CC and) (NN water)))))))))))))) (PERIOD .))