(S (S (S (S (BASENP (PRP It)) (VP (VBD was) (VP (VBN surrounded) (PP (IN by) (BASENP (DT a) (NN fence)))))) (COMMA ,) (S (BASENP (PRP it)) (VP (VBZ has) (BASENP (NN bullet) (NN proof) (NNS windows))))) (CC and) (S (BASENP (DT all) (NNS visitors)) (VP (MD must) (VP (VB be) (VP (VP (VBN buzzed) (PRT (RP in))) (PP (IN by) (BASENP (NN reception)))))))) (PERIOD .))