These latter vast regions of forests, rivers, and mountains border the Indonesian state of Kalimantan and the oil-rich sultanate of Brunei.
( ( ( These ( latter ( vast regions ) ) ) ( of ( forests ( , ( rivers ( , ( and mountains ) ) ) ) ) ) ) ( ( border ( ( ( ( the ( Indonesian state ) ) ( of Kalimantan ) ) and ) ( ( the ( oil-rich sultanate ) ) ( of Brunei ) ) ) ) . ) )
(ROOT (S (NP (NP (DT These) (JJ latter) (JJ vast) (NNS regions)) (PP (IN of) (NP (NNS forests) (, ,) (NNS rivers) (, ,) (CC and) (NNS mountains)))) (VP (VB border) (NP (NP (NP (DT the) (JJ Indonesian) (NN state)) (PP (IN of) (NP (NNP Kalimantan)))) (CC and) (NP (NP (DT the) (JJ oil-rich) (NN sultanate)) (PP (IN of) (NP (NNP Brunei)))))) (. .)))
The sultanate of Brunei borders the Indonesian state of Kalimantan.
( ( ( The sultanate ) ( of Brunei ) ) ( ( borders ( ( the ( Indonesian state ) ) ( of Kalimantan ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (NN sultanate)) (PP (IN of) (NP (NNP Brunei)))) (VP (VBZ borders) (NP (NP (DT the) (JJ Indonesian) (NN state)) (PP (IN of) (NP (NNP Kalimantan))))) (. .)))