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