( ( ( ( ( ( A LIQUID ) ( ( does not ) ( have ( a ( definite shape ) ) ) ) ) , ) but ) ( it ( does ( have ( a ( definit volume ) ) ) ) ) ) . )
(ROOT (S (S (NP (DT A) (NNP LIQUID)) (VP (VBZ does) (RB not) (VP (VB have) (NP (DT a) (JJ definite) (NN shape))))) (, ,) (CC but) (S (NP (PRP it)) (VP (VBZ does) (VP (VB have) (NP (DT a) (JJ definit) (NN volume))))) (. .)))
A LIQUID does not have a definite shape, but it does have a definit volume.
(ROOT (S (NP (NN Liquid)) (VP (VBZ has) (NP (NP (DT a) (JJ definite) (NN volume)) (, ,) (CONJP (CC but) (RB not)) (NP (DT a) (JJ definite) (NN shape)))) (. .)))