Their rights have been the source of conflicts in the central government.
( ( Their rights ) ( ( have ( been ( ( the source ) ( of ( conflicts ( in ( the ( central government ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP$ Their) (NNS rights)) (VP (VBP have) (VP (VBN been) (NP (NP (DT the) (NN source)) (PP (IN of) (NP (NP (NNS conflicts)) (PP (IN in) (NP (DT the) (JJ central) (NN government)))))))) (. .)))
The conflicts within the central government have been going on for decades.
( ( ( The conflicts ) ( within ( the ( central government ) ) ) ) ( ( have ( been ( ( going on ) ( for decades ) ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (NNS conflicts)) (PP (IN within) (NP (DT the) (JJ central) (NN government)))) (VP (VBP have) (VP (VBN been) (VP (VBG going) (PRT (RP on)) (PP (IN for) (NP (NNS decades)))))) (. .)))