(S (S (BASENP (NNP NYSE)) (VP (MD must) (VP (VB obtain) (NP (BASENP (DT the) (NN approval)) (PP (IN of) (NP (BASENP (PRPD its) (NNS members)) (CC and) (BASENP (NNP Archipelago) (NNS shareholders)))))))) (PERIOD .))