( ( Name ( ( ( two types ) ( of ( circulatory systems ) ) ) ( which ( occur ( in ( the animals ) ) ) ) ) ) ( we ( ( have ( studied ( in ( ( this section ) ( of ( the course ) ) ) ) ) ) . ) ) )
(ROOT (S (S (VP (VB Name) (NP (NP (CD two) (NNS types)) (PP (IN of) (NP (JJ circulatory) (NNS systems))) (SBAR (WHNP (WDT which)) (S (VP (VBP occur) (PP (IN in) (NP (DT the) (NNS animals))))))))) (NP (PRP we)) (VP (VBP have) (VP (VBN studied) (PP (IN in) (NP (NP (DT this) (NN section)) (PP (IN of) (NP (DT the) (NN course))))))) (. .)))
Name two types of circulatory systems which occur in the animals we have studied in this section of the course.
(ROOT (S (NP (DT A) (NN jellyfish)) (VP (VBZ does) (RB not) (VP (VB have) (NP (DT a) (JJ circulatory) (NN system)))) (. .)))