(S (S (BASENP (NNPS Haitians)) (VP (VBD rioted) (COMMA ,) (S (VP (VP (VBG plunging) (BASENP (DT the) (NN process))) (PP (IN into) (NP (BASENP (NN chaos)) (SBAR (WHNP (WDT that)) (S (VP (VBD was) (VP (VBN quelled) (PP (IN by) (NP (BASENP (DT the) (JJ determined) (NNS efforts)) (PP (IN of) (BASENP (JJ foreign) (NNS monitors))))))))))))))) (PERIOD .))