(S (S (NP (BASENP (DT The) (NNP Haitian) (NNP Institute)) (PP (IN for) (BASENP (NNP Justice) (CC and) (NNP Democracy)))) (VP (VBZ has) (VP (VBN referenced) (NP (BASENP (JJ independent) (NNS studies)) (SBAR (WHNP (WDT that)) (S (VP (VBP suggest) (SBAR (S (BASENP (DT the) (JJ Nepalese) (NNP UN) (NN peacekeeping) (NN battalion)) (VP (ADVP (RB unknowingly)) (VP (VP (VBD brought) (BASENP (DT the) (NN disease))) (PP (TO to) (BASENP (NNP Haiti)))))))))))))) (PERIOD .))