( ( Matter ( that ( has ( ( ( no ( definite shape ) ) and ) ( no ( definite volume ) ) ) ) ) ) ( ( is ( a gas ) ) . ) )
(ROOT (S (NP (NP (NNP Matter)) (SBAR (WHNP (WDT that)) (S (VP (VBZ has) (NP (NP (DT no) (JJ definite) (NN shape)) (CC and) (NP (DT no) (JJ definite) (NN volume))))))) (VP (VBZ is) (NP (DT a) (NN gas))) (. .)))
Matter that has no definite shape and no definite volume is a gas .
(ROOT (S (NP (NNP Gas)) (VP (VBZ has) (NP (NP (DT no) (JJ definite) (NN volume)) (CC and) (NP (DT no) (JJ definite) (NN shape)))) (. .)))
Gas has no definite volume and no definite shape.