(S (S (BASENP (NNP Zurich) (NNS police)) (VP (VBD said) (SBAR (IN that) (S (BASENP (NNP Sabu)) (VP (VBD wandered) (PP (IN along) (NP (NP (BASENP (DT the) (NNP Bahnhofstrasse) (NN avenue)) (PP (IN of) (BASENP (NNP Zurich)))) (COMMA ,) (SBAR (WHNP (WDT which)) (S (VP (VBZ is) (VP (VBN known) (PP (IN as) (NP (BASENP (DT the) (NN city) (POS 's)) (NP (ADJP (RBS most) (JJ exclusive)) (BASENP (NN shopping) (NN street)))))))))))))))) (PERIOD .))