(S (S (NP (BASENP (DT The) (NNP ACS)) (PRN (COMMA ,) (VP (VP (VBN developed) (ADVP (RB jointly))) (PP (IN by) (BASENP (NN four) (JJ American) (NNS agencies)))) (COMMA ,))) (VP (VBD was) (VP (VBN installed) (PP (IN in) (NP (BASENP (NNP March)) (PP (IN of) (BASENP (NN 2002)))))))) (PERIOD .))