( They ( all ( ( have ( circulatory systems ) ) . ) ) )
(ROOT (S (NP (PRP They)) (ADVP (DT all)) (VP (VBP have) (NP (JJ circulatory) (NNS systems))) (. .)))
They all have circulatory systems.
(ROOT (S (NP (DT A) (NN jellyfish)) (VP (VBZ does) (RB not) (VP (VB have) (NP (DT a) (JJ circulatory) (NN system)))) (. .)))