(S (S (S (BASENP (DT An) (VBN estimated) (NN 8,000) (NNS people)) (VP (VBD attended))) (COMMA ,) (SBAR (IN after) (S (NP (BASENP (DT a) (NN call)) (PP (IN for) (BASENP (DT a) (JJ silent) (NN protest)))) (VP (VBD had) (VP (VBN been) (VP (VBN distributed) (PP (IN through) (NP (NP (BASENP (NN e-mail)) (COMMA ,) (BASENP (NN text) (NNS messages))) (CC and) (NP (ADVP (RB eventually)) (BASENP (DT the) (NNS media))))))))))) (PERIOD .))