( Vertebrates ( ( have ( a ( ( closed circulatory ) system ) ) ) . ) )
(ROOT (S (NP (NNS Vertebrates)) (VP (VBP have) (NP (DT a) (ADJP (JJ closed) (JJ circulatory)) (NN system))) (. .)))
Vertebrates have a closed circulatory system.
(ROOT (S (NP (DT A) (NN jellyfish)) (VP (VBZ does) (RB not) (VP (VB have) (NP (DT a) (JJ circulatory) (NN system)))) (. .)))