( ( ( ( ( ( ( ( ( ( -LSB- ( 31 ( -RSB- ( Carbon Sequestration ) ) ) ) ( ( The ( long-term storage ) ) ( of carbon ) ) ) ( ( CO 2 ) ( in ( the forests ) ) ) ) , ) soils ) , ) ( ( ( ocean or ) underground ) ( in ( depleted ( oil ( and ( gas reservoirs ) ) ) ) ) ) ) , ) ( ( ( coal seams ) and ) ( saline acquifers ) ) ) . )
(ROOT (NP (NP (NNP -LSB-) (CD 31) (NNP -RSB-) (NNP Carbon) (NNP Sequestration)) (NP (NP (DT The) (JJ long-term) (NN storage)) (PP (IN of) (NP (NN carbon)))) (NP (NP (NNP CO) (CD 2)) (PP (IN in) (NP (DT the) (NNS forests)))) (, ,) (NP (NNS soils)) (, ,) (NP (NP (NN ocean) (CC or) (NN underground)) (PP (IN in) (NP (JJ depleted) (NN oil) (CC and) (NN gas) (NNS reservoirs)))) (, ,) (NP (NP (NN coal) (NNS seams)) (CC and) (NP (JJ saline) (NNS acquifers))) (. .)))
[31] Carbon Sequestration The long-term storage of carbon CO 2 in the forests, soils, ocean or underground in depleted oil and gas reservoirs, coal seams and saline acquifers.
(ROOT (S (NP (NP (NN Ice) (NNS masses)) (, ,) (NP (NNS acquifers)) (, ,) (CC and) (NP (DT the) (JJ deep) (NN ocean))) (VP (VBP are) (NP (NP (NNS examples)) (PP (IN of) (NP (NN water) (NNS reservoirs))))) (. .)))