(S (S (S (VP (VBN Built) (PP (IN in) (BASENP (NN 1969))))) (COMMA ,) (S (BASENP (NNP 555) (NNP California)) (VP (VBZ is) (NP (NP (NP (BASENP (NNP SF) (POS 's)) (NP (NP (JJS largest) (NN office) (NN tower)) (CONJP (COMMA ,) (CC and)) (NP (JJ 2nd) (JJ tallest) (NN building)))) (PP (IN at) (BASENP (NN 779) (NN ft.)))) (ADJP (ADJP (BASENP (QP (RB just) (DT a) (JJ few)) (NNS feet)) (JJ shy)) (PP (IN of) (NP (NP (BASENP (DT the) (NN 48) (NN story) (NNP Transamerica) (NNP Pyramid)) (PP (IN at) (BASENP (NN 853) (NN ft)))) (SBAR (WHNP (WDT which)) (S (VP (VBD was) (VP (VBN completed) (PP (IN in) (BASENP (NN 1972)))))))))))))) (PERIOD .))