(S (S (NP (BASENP (DT A) (NN building) (NN worker)) (PP (IN on) (NP (BASENP (DT a) (NN construction) (NN site)) (PP (IN on) (NP (BASENP (DT the) (NN corner)) (PP (IN of) (BASENP (NNP Queen) (CC and) (NNP Flinders) (NNPS Streets)))))))) (VP (VBZ has) (VP (ADVP (RB reportedly)) (VP (VBN discovered) (BASENP (DT a) (NN handgun)))))) (PERIOD .))