( ( ( ( iii -RRB- ) ( ( Gases do ) ( not have ) ) ) ( a ( ( ( definite shape ) or ) volume ) ) ) . )
(ROOT (S (VP (VBD iii) (-RRB- -RRB-) (NP (NP (ADJP (JJ Gases) (PRT (RP do)))) (PP (RB not) (ADJP (JJ have)))) (PP (FW a) (NP (NP (JJ definite) (NN shape)) (CC or) (NP (NN volume))))) (. .)))
iii) Gases do not have a definite shape or 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.