( Gases ( ( have ( ( ( no ( definite shape ) ) or ) ( a ( definite volume ) ) ) ) . ) )
(ROOT (S (NP (NNS Gases)) (VP (VBP have) (NP (NP (DT no) (JJ definite) (NN shape)) (CC or) (NP (DT a) (JJ definite) (NN volume)))) (. .)))
Gases have no definite shape or a definite volume.
(ROOT (S (NP (NP (DT The) (NN gas) (NN form)) (PP (IN of) (NP (NN matter)))) (VP (VBZ has) (NP (NP (ADVP (DT neither)) (DT a) (JJ definite) (NN shape)) (CC nor) (NP (DT a) (JJ definite) (NN volume)))) (. .)))