(S (S (NP (BASENP (DT The) (NNP World) (NNP Health) (NNP Organisation)) (PRN (LRB -LRB-) (BASENP (NNP WHO)) (RRB -RRB-))) (VP (VBZ has) (VP (VBN stated) (SBAR (IN that) (S (NP (BASENP (DT the) (NN cholera) (NN outbreak)) (SBAR (WHNP (WDT that)) (S (VP (VBZ has) (VP (VBN struck) (NP (BASENP (DT the) (JJ African) (NN country)) (PP (IN of) (BASENP (NNP Zimbabwe))))))))) (VP (VBZ seems) (S (VP (TO to) (VP (VB have) (VP (VBN passed) (BASENP (PRPD its) (NN peak)))))))))))) (PERIOD .))