(S (S (S (NP (EX There)) (VP (VP (VP (VBZ is) (ADVP (RB also))) (NP (BASENP (DT the) (JJ ongoing) (NN violence)) (PP (IN by) (BASENP (JJ Muslim) (NNS separatists))))) (PP (IN in) (BASENP (DT the) (NNP South) (NNP Thailand) (NN insurgency))))) (COMMA ,) (SBAR (WHNP (WDT which)) (S (VP (VBZ has) (VP (VP (VBN left) (S (BASENP (NN 1,900) (NNS people)) (ADJP (JJ dead)))) (PP (IN since) (BASENP (NN 2004)))))))) (PERIOD .))