(S (S (VP (VBG Living) (NP (BASENP (NN ten) (NNS blocks)) (PP (IN from) (SBAR (WHADVP (WRB where)) (S (BASENP (DT the) (NN explosion)) (VP (VBD occurred))))))) (COMMA ,) (S (BASENP (JJ 58-year-old) (NNP Jose) (NNP Luis) (NNP Chavez)) (VP (VBD explained) (SBAR (IN that) (S (BASENP (PRP he)) (VP (VBD had) (VP (VP (VBN heard) (NP (BASENP (DT a) (NN minimum)) (PP (IN of) (BASENP (NN two) (JJ loud) (NNS explosions))))) (CC and) (VP (VBN witnessed) (S (BASENP (NNS flames)) (VP (VP (VBG rising) (NP (BASENP (QP (RB over) (NN 10)) (NNS meters)) (PRN (LRB -LRB-) (BASENP (NN 30) (NNS feet)) (RRB -RRB-)))) (PP (IN into) (BASENP (DT the) (NN air))))))))))))) (PERIOD .))