(S (S (BASENP (NN Three) (NNS people)) (VP (VBD were) (VP (VP (VBN hospitalized) (PP (IN with) (BASENP (NNS injuries)))) (PP (IN after) (NP (BASENP (DT a) (NN series)) (PP (IN of) (NP (BASENP (NNS explosions)) (PP (IN at) (NP (BASENP (NNP Southwest) (NNP Industrial) (NNP Gases) (COMMA ,) (NNP Inc.)) (COMMA ,) (NP (BASENP (DT a) (NN gas) (NN facility)) (PP (IN in) (BASENP (NNP Dallas) (COMMA ,) (NNP Texas))))))))))))) (PERIOD .))