( Thus ( gas ( ( ( does not ) ( have ( ( ( a ( definite shape ) ) and ) volume ) ) ) . ) ) )
(ROOT (S (ADVP (RB Thus)) (NP (NN gas)) (VP (VBZ does) (RB not) (VP (VB have) (NP (NP (DT a) (JJ definite) (NN shape)) (CC and) (NP (NN volume))))) (. .)))
Thus gas does not have a definite shape and volume.
(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.