(S (S (S (BASENP (NNP Somalia)) (VP (VBZ has) (VP (ADVP (RB largely)) (VP (VBN disintegrated) (PP (IN into) (BASENP (NNS fiefdoms))))))) (SBAR (IN since) (S (BASENP (DT the) (JJ former) (NN dictator) (NNP Siad) (NNP Barre)) (VP (VBD was) (VP (VBN ousted) (PP (IN in) (BASENP (NN 1991)))))))) (PERIOD .))