( ( ( The abundance ) ( of ( ( energy sources ) ( such ( as ( ( coal ( , ( oil ( , ( and hydropower ) ) ) ) ) ( in Kalimantan ) ) ) ) ) ) ) ( ( is ( comparable ( to ( that ( in Sarawak ) ) ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (NN abundance)) (PP (IN of) (NP (NP (NN energy) (NNS sources)) (PP (JJ such) (IN as) (NP (NP (NN coal) (, ,) (NN oil) (, ,) (CC and) (NN hydropower)) (PP (IN in) (NP (NNP Kalimantan)))))))) (VP (VBZ is) (ADJP (JJ comparable) (PP (TO to) (NP (NP (DT that)) (PP (IN in) (NP (NNP Sarawak))))))) (. .)))
The abundance of energy sources such as coal, oil, and hydropower in Kalimantan is comparable to that in Sarawak.
(ROOT (S (S (NP (NNP Coal)) (VP (VBZ is) (ADJP (JJ nonrenewable)))) (, ,) (CC and) (S (NP (DT the) (NN sun)) (VP (VBZ is) (ADJP (JJ renewable) (SBAR (S (VP (VBZ is) (SBAR (WHADVP (WRB how)) (S (NP (NP (NN coal)) (CC and) (NP (DT the) (NN sun))) (VP (VBP compare) (PP (IN as) (NP (NP (NNS sources)) (PP (IN of) (NP (NN energy)))))))))))))) (. .)))