(S (S (NP (BASENP (NNP April) (NN 7)) (COMMA ,) (NN 2005)) (S (S (NP (BASENP (DT The) (NNP Federal) (NNP Bureau)) (PP (IN of) (BASENP (NNP Investigation)))) (VP (VBZ is) (VP (VBG investigating) (NP (BASENP (NNS allegations)) (PP (IN of) (NP (BASENP (NN wrongdoing)) (PP (IN in) (NP (NP (BASENP (DT the) (NN building)) (PP (IN of) (NP (DT a) (NP (JJ new) (NP (QP (DOLLAR $) (NN 1.5) (NN billion)) (BASENP (QT (DQL ``) (NN skyway) (DQR '')) (NN portion))))))) (PP (IN of) (BASENP (DT the) (NNP San) (NNP Francisco-Oakland) (NNP Bay) (NNP Bridge))))))))))) (COMMA ,) (PP (VBG according) (PP (TO to) (NP (BASENP (DT a) (NN report)) (VP (VBN published) (PP (IN in) (BASENP (DT the) (NNP Oakland) (NNP Tribune))))))))) (PERIOD .))