(S (S (BASENP (QP (RB Nearly) (NN 3,000)) (NNS people)) (VP (VP (VP (VBD demonstrated) (PP (IN in) (NP (BASENP (NNP Saint) (NNP Petersburg)) (COMMA ,) (BASENP (NNP Russia))))) (PP (IN on) (BASENP (NNP Saturday)))) (S (VP (TO to) (VP (VB oppose) (NP (BASENP (DT a) (NN proposition)) (SBAR (S (VP (TO to) (VP (VP (VB construct) (BASENP (DT a) (NN skyscraper))) (PP (IN in) (BASENP (DT the) (NN city))))))))))))) (PERIOD .))