(S (S (NP (BASENP (DT The) (NNP Caucasus) (NN region)) (PP (IN of) (BASENP (NNP Russia)))) (VP (VBZ has) (VP (VP (VP (VBN seen) (NP (BASENP (DT an) (NN increase)) (PP (IN in) (BASENP (NNS attacks))))) (ADVP (RB recently))) (COMMA ,) (PP (VBG following) (NP (NP (BASENP (DT a) (JJ few) (NNS years)) (PP (IN of) (BASENP (JJ relative) (NN calm)))) (PP (IN after) (NP (BASENP (NN two) (NNS wars)) (PP (IN with) (NP (BASENP (NNS separatists)) (PP (IN in) (NP (BASENP (DT the) (JJ neigbouring) (NN region)) (PP (IN of) (BASENP (NNP Chechnya)))))))))))))) (PERIOD .))