(S (S (S (NP (BASENP (NNS Relations)) (PP (IN between) (BASENP (NNP Uganda) (CC and) (NNP Rwanda)))) (VP (VBP have) (VP (VBN been) (VP (VBG improving) (PP (IN over) (BASENP (DT the) (JJ last) (JJ few) (NNS years))))))) (COMMA ,) (S (ADVP (RB however)) (S (ADVP (RB recently)) (S (BASENP (DT the) (NN situation)) (VP (VBZ has) (VP (VBN deteriorated))))))) (PERIOD .))