( Gases ( ( have ( neither ( ( ( a ( definite shape ) ) nor ) ( a ( definite volume ) ) ) ) ) . ) )
(ROOT (S (NP (NNS Gases)) (VP (VBP have) (S (NP (CC neither) (NP (DT a) (JJ definite) (NN shape)) (CC nor) (NP (DT a) (JJ definite) (NN volume))))) (. .)))
Gases have neither a definite shape nor 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)))) (. .)))