(S (S (NP (BASENP (DT The) (NNP SF) (NN structure)) (PRN (COMMA ,) (SBAR (WHNP (WPD whose) (BASENP (JJ current) (NN deal))) (S (VP (VBZ estimates) (SBAR (S (BASENP (PRP it)) (VP (VBZ 's) (NP (BASENP (NN value)) (PP (IN @) (NP (QP (DOLLAR $) (NN 575)) (PP (IN per) (BASENP (NN sq) (NN ft)))))))))))) (COMMA ,))) (VP (VBD had) (VP (ADVP (RB just)) (VP (VP (VBN sold) (BASENP (JJ last) (NN year))) (PP (IN for) (NP (NP (NP (NP (BASENP (QP (DOLLAR $) (NN 1.05) (NN Billion))) (PP (DT all) (PP (IN by) (BASENP (PRP itself))))) (PRN (LRB -LRB-) (NP (BASENP (DOLLAR $) (NN 583)) (BASENP (DT a) (NN sq) (NN ft))) (RRB -RRB-))) (PRN (COMMA ,) (SBAR (WHADVP (WRB when)) (S (BASENP (NN property) (NN magnate) (NNP Walter) (NNP Shorenstein)) (VP (VP (VBD sold) (BASENP (PRP it))) (PP (TO to) (NP (NP (NP (BASENP (NNP Henry) (NNP Cheng)) (CC and) (BASENP (NNP Vincent) (NNP Lo))) (POS 's)) (NP (ADJP (BASENP (NNP Hong) (NNP Kong)) (VBN based)) (BASENP (NNP Hudson) (NNP Waterfront) (NNPS Associates)))))))) (COMMA ,))) (NP (BASENP (DT a) (NN record)) (PP (IN for) (BASENP (DT a) (NN city) (NN property)))))))))) (PERIOD .))