( Water ( ( is ( ( the ( only substance ) ) ( that ( exists ( in ( ( ( ( ( ( ( all ( three ( phase states ) ) ) -LRB- ) gas ) , ) ( liquid ( , ( and solid ) ) ) ) -RRB- ) ( at ( ( the temperatures ) ( found ( on ( the Earth ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Water)) (VP (VBZ is) (NP (NP (DT the) (JJ only) (NN substance)) (SBAR (WHNP (WDT that)) (S (VP (VBZ exists) (PP (IN in) (NP (NP (NP (DT all) (CD three) (NN phase) (NNS states)) (-LRB- -LRB-) (NP (NN gas)) (, ,) (ADJP (JJ liquid) (, ,) (CC and) (JJ solid)) (-RRB- -RRB-)) (PP (IN at) (NP (NP (DT the) (NNS temperatures)) (VP (VBN found) (PP (IN on) (NP (DT the) (NN Earth))))))))))))) (. .)))
Water is the only substance that exists in all three phase states (gas,liquid, and solid) at the temperatures found on the Earth.
(ROOT (S (NP (NNP Water)) (VP (VBZ exists) (PP (IN on) (NP (NP (NN earth)) (PP (IN in) (NP (NP (CD three) (NN matter) (NNS states)) (VP (VBZ states))))))) (. .)))