(S (S (S (NP (BASENP (NNP Russia)) (PRN (COMMA ,) (SBAR (WHNP (WDT which)) (S (VP (VBZ is) (VP (VBN said) (S (VP (TO to) (VP (VB support) (BASENP (DT the) (NN separatist) (NNS forces))))))))) (COMMA ,))) (VP (VP (VBP have) (BASENP (NN peacekeeping) (NNS troops))) (PP (IN within) (BASENP (DT the) (NN region))))) (CC but) (S (BASENP (DT this)) (VP (VBZ has) (VP (VBN been) (VP (VBN described) (PP (IN as) (NP (NP (BASENP (DT an) (JJ occupying) (NN force)) (PP (IN by) (BASENP (NNP Georgia) (CC and) (NNP Russia)))) (VP (VBN accused) (PP (IN of) (S (VP (VBG trying) (S (VP (TO to) (VP (VP (VP (VB take) (PRT (RP over))) (BASENP (DT the) (NN region))) (PP (IN by) (BASENP (NN stealth))))))))))))))))) (PERIOD .))