(S (S (BASENP (JJ Libyan) (NN leader) (NNP Muammar) (NNP al-Gaddafi)) (VP (VBZ has) (VP (VBN said) (SBAR (IN that) (S (BASENP (NNP Nigeria)) (VP (MD should) (VP (VB be) (VP (VP (VBN divided) (PP (IN into) (BASENP (NN two) (JJ separate) (NNS nations)))) (S (VP (TO to) (VP (VB avoid) (NP (BASENP (JJ further) (NN violence)) (PP (IN between) (BASENP (NNPS Muslims) (CC and) (NNPS Christians))))))))))))))) (PERIOD .))