( ( The ( transportation system ) ) ( ( is ( like ( ( the ( circulatory system ) ) ( in ( the body ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NN transportation) (NN system)) (VP (VBZ is) (PP (IN like) (NP (NP (DT the) (JJ circulatory) (NN system)) (PP (IN in) (NP (DT the) (NN body)))))) (. .)))
The transportation system is like the circulatory system in the body.
(ROOT (S (NP (NP (DT A) (NN relationship)) (PP (IN between) (NP (CD two) (JJ human) (NN body) (NNS systems)))) (VP (MD could) (VP (VB be) (NP (NP (DT the) (JJ digestive) (NN system)) (SBAR (S (VP (VBZ absorbs) (NP (NP (NNS nutrients)) (SBAR (WHNP (WDT which)) (S (VP (VBP are) (VP (VBN transported) (PP (IN by) (NP (DT the) (JJ circulatory) (NN system)))))))))))))) (. .)))