( ( ( ( the function ) ( of ( ( each type ) ( of ( blood vessel ) ) ) ) ) ( in ( the ( circulatory system ) ) ) ) . )
(ROOT (NP (NP (DT the) (NN function)) (PP (IN of) (NP (NP (DT each) (NN type)) (PP (IN of) (NP (NN blood) (NN vessel))))) (PP (IN in) (NP (DT the) (JJ circulatory) (NN system))) (. .)))
the function of each type of blood vessel in the circulatory system.
(ROOT (S (NP (DT A) (NN jellyfish)) (VP (VBZ does) (RB not) (VP (VB have) (NP (DT a) (JJ circulatory) (NN system)))) (. .)))