(S (S (BASENP (DT The) (NN building)) (VP (VBZ has) (VP (VP (VBN been) (NP (BASENP (DT a) (JJ huge) (NN vacancy)) (PP (IN in) (BASENP (DT the) (NN downtown) (NN core))))) (COMMA ,) (PP (IN with) (S (BASENP (RB only) (DT the) (NN broadcasting) (NN corporation) (NNP CHUM) (NNP Limited)) (VP (VBG using) (BASENP (DT any) (NN space)))))))) (PERIOD .))