(S (S (NP (BASENP (NNP Anson) (NNP Chan)) (PRN (COMMA ,) (NP (BASENP (DT the) (JJ former) (NNP Chief) (NNP Secretary)) (CC and) (NP (BASENP (NN one)) (PP (IN of) (NP (BASENP (DT the) (NNS candidates)) (PP (IN of) (NP (BASENP (DT the) (JJ upcoming) (NN by-election)) (PP (IN in) (BASENP (DT the) (NNP Legislative) (NNP Council))))))))) (COMMA ,))) (VP (ADVP (RB also)) (VP (VBD participated) (PP (IN in) (BASENP (DT this) (NN event)))))) (PERIOD .))