(S (S (S (NP (BASENP (NN One) (JJ other) (NN protester)) (PRN (COMMA ,) (BASENP (JJ 25-year-old) (NNP Chartchai) (NNP Bualao)) (COMMA ,))) (VP (VBD was) (VP (VBN killed) (PP (IN in) (BASENP (DT the) (NN incident)))))) (CONJP (COMMA ,) (CC but)) (S (BASENP (PRP it)) (VP (VBZ is) (VP (ADVP (RB still)) (ADJP (JJ unclear) (PP (IN as) (PP (TO to) (SBAR (WHNP (WP who)) (S (VP (VBZ is) (ADJP (JJ responsible) (PP (IN for) (BASENP (DT the) (NN shooting)))))))))))))) (PERIOD .))