(S (S (NP (QP (ADJP (ADJP (RB As) (JJ many)) (IN as)) (NN 2,000)) (NNS people)) (VP (VP (VBD gathered) (PP (IN in) (NP (BASENP (NNP Amsterdam) (POS 's)) (BASENP (NNP Museum) (NNP Square))))) (COMMA ,) (S (VP (VBG voicing) (NP (BASENP (PRPD their) (NN discontent)) (PP (IN with) (NP (BASENP (DT the) (NN war)) (PP (IN in) (BASENP (NNP Iraq)))))))))) (PERIOD .))