( ( Liquids Liquids ) ( ( are ( unique ( because ( they ( have ( ( a ( definite volume ) ) ( but ( no ( definite shape ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Liquids) (NNP Liquids)) (VP (VBP are) (ADJP (JJ unique) (SBAR (IN because) (S (NP (PRP they)) (VP (VBP have) (NP (NP (DT a) (JJ definite) (NN volume)) (PP (CC but) (NP (DT no) (JJ definite) (NN shape))))))))) (. .)))
Liquids Liquids are unique because they have a definite volume but no definite shape.
(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)))) (. .)))