(S (S (BASENP (DT The) (JJ rebel) (NN group)) (VP (VBZ is) (VP (VP (VBG battling) (PP (IN for) (NP (BASENP (NN control)) (PP (IN of) (BASENP (DT the) (JJ war-ravaged) (NN nation)))))) (PP (IN against) (NP (BASENP (DT the) (NNP Western-backed) (NNP Transitional) (NNP Federal) (NNP Government)) (COMMA ,) (VP (VBN led) (PP (IN by) (BASENP (JJ former) (JJ Islamic) (NN insurgent) (NNP Sheikh) (NNP Sharif) (NNP Sheikh) (NNP Ahmed))))))))) (PERIOD .))