(S (S (PP (IN For) (BASENP (DT the) (NN moment))) (COMMA ,) (S (S (NP (BASENP (DT all) (NNS birds)) (PP (IN in) (BASENP (DT the) (NN zoo)))) (VP (VBP have) (VP (VBN been) (VP (VBN confined) (PP (TO to) (BASENP (PRPD their) (NNS cages))))))) (CC and) (S (NP (NP (BASENP (NN viewing)) (PP (IN of) (BASENP (NNS birds)))) (PP (IN by) (BASENP (DT the) (NN public)))) (VP (VBZ is) (VP (ADVP (RB no) (RBR longer)) (VBN permitted)))))) (PERIOD .))