( ( ( ( ( ( The ( solid state ) ) ( of water ) ) , ) ice ) , ) ( ( is unique ) . ) )
(ROOT (S (NP (NP (NP (DT The) (JJ solid) (NN state)) (PP (IN of) (NP (NN water)))) (, ,) (NP (NN ice)) (, ,)) (VP (VBZ is) (ADJP (JJ unique))) (. .)))
The solid state of water, ice, is unique.
(ROOT (S (NP (NNP Ice)) (VP (VBZ is) (NP (NP (DT the) (JJ common) (NN term)) (PP (IN for) (NP (NP (NN water)) (PP (IN in) (NP (PRP$ its) (JJ solid) (NN state))))))) (. .)))