(S (S (NP (NP (DT The) (NP (BASENP (NNPS People) (POS 's)) (NNP Alliance))) (PP (IN for) (BASENP (NNP Democracy)))) (VP (VBD was) (VP (VBN reported) (S (VP (TO to) (VP (VB be) (VP (VBG monitoring) (NP (BASENP (DT a) (NN crowd)) (SBAR (S (BASENP (PRP they)) (VP (VBD were) (ADJP (JJ suspicious) (PP (IN of) (ADVP (RB ahead) (PP (IN of) (NP (BASENP (DT the) (NN rally)) (PP (IN in) (NP (BASENP (NNP Sanam) (NNP Luang)) (COMMA ,) (BASENP (NNP Bangkok)))))))))))))))))))) (PERIOD .))