(S (S (BASENP (DT The) (NN scene)) (VP (VBD was) (VP (VBN attended) (PP (IN by) (NP (NP (NP (BASENP (NN four) (NNS helicopters)) (COMMA ,) (BASENP (NN 140) (NNS firefighters))) (CC and) (BASENP (NN 25) (NN police) (NNS officers))) (COMMA ,) (SBAR (WHNP (WP who)) (S (VP (VBD had) (S (VP (TO to) (VP (VP (VB free) (BASENP (JJ multiple) (NNS victims))) (PP (IN from) (BASENP (DT the) (NN wreck)))))))))))))) (PERIOD .))