(S (S (BASENP (DT The) (NN 4,500) (NNS attendees)) (VP (VBP include) (NP (NP (NP (NP (BASENP (NN government) (NNS delegates)) (PP (IN from) (BASENP (NN 182) (NNS governments)))) (COMMA ,) (NP (BASENP (NNS representatives)) (PP (IN from) (BASENP (NN business) (CC and) (NN industry))))) (COMMA ,) (BASENP (JJ environmental) (NNS organizations))) (CC and) (BASENP (NN research) (NNS institutions))))) (PERIOD .))