(S (S (S (S (BASENP (DT The) (NN problem)) (VP (VP (VBD began) (NP (NP (BASENP (RB around) (NN 9:30) (NN a.m)) (BASENP (NN CDT))) (PRN (LRB -LRB-) (BASENP (NN UTC-5)) (RRB -RRB-)))) (PP (IN at) (BASENP (DT a) (NN loading) (NN dock))))) (COMMA ,) (PP (VBG according) (PP (TO to) (BASENP (NNP Dallas) (NNP Fire) (NNP Department) (NNP Lt.) (NNP Joel) (NNP Lavender))))) (CONJP (COMMA ,) (CC and)) (S (ADVP (RB then)) (S (VP (VP (VBD spread) (PP (TO to) (BASENP (DT a) (NN trailer) (NN housing)))) (NP (NP (BASENP (QP (DT some) (NN 100,000)) (JJ cubic) (NNS feet)) (PRN (LRB -LRB-) (BASENP (QP (RB approximately) (NN 28,300)) (JJ cubic) (NNS metres)) (RRB -RRB-))) (PP (IN of) (BASENP (NN gas)))))))) (PERIOD .))