( ( Solids Solids ) ( ( are ( ( the ( only phase ) ) ( ( in which ) ( matter ( has ( ( ( a ( definite shape ) ) and ) ( a ( definite volume ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Solids) (NNP Solids)) (VP (VBP are) (NP (NP (DT the) (JJ only) (NN phase)) (SBAR (WHPP (IN in) (WHNP (WDT which))) (S (NP (NN matter)) (VP (VBZ has) (NP (NP (DT a) (JJ definite) (NN shape)) (CC and) (NP (DT a) (JJ definite) (NN volume)))))))) (. .)))
Solids Solids are the only phase in which matter has a definite shape and a definite volume.
(ROOT (S (NP (NNP Solid)) (VP (VBZ is) (NP (NP (DT a) (NN form)) (PP (IN of) (NP (NN matter))) (SBAR (WHNP (WDT that)) (S (VP (VBZ has) (NP (NP (DT a) (JJ definite) (NN shape)) (CC and) (NP (NN volume)))))))) (. .)))