(S (S (S (VP (VBG Describing) (NP (BASENP (VBG exploding) (NN gas) (NNS tanks)) (SBAR (WHNP (WDT that)) (S (VP (VBD flew) (PP (IN through) (BASENP (DT the) (NN air))))))))) (COMMA ,) (S (NP (BASENP (NNP Carlos) (NNP Hipolito)) (PRN (COMMA ,) (SBAR (WHNP (WP who)) (S (VP (VP (VBD fled) (BASENP (DT the) (NN scene))) (PP (IN with) (BASENP (QP (RB approximately) (NN 60)) (NNS relatives)))))) (COMMA ,))) (VP (VP (VP (VBD described) (BASENP (DT the) (NN incident))) (PP (TO to) (BASENP (NNP Milenio) (NNP Television)))) (PP (IN as) (BASENP (DT a) (QT (DQL ``) (NN catastrophe) (DQR ''))))))) (PERIOD .))