( Trade ( ( is ( like ( ( the ( circulatory system ) ) ( of ( the body ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Trade)) (VP (VBZ is) (PP (IN like) (NP (NP (DT the) (JJ circulatory) (NN system)) (PP (IN of) (NP (DT the) (NN body)))))) (. .)))
Trade is like the circulatory system of the body.
(ROOT (S (NP (NNS Hormones)) (ADVP (RB generally)) (VP (VBP travel) (PP (IN through) (NP (NP (DT the) (JJ circulatory) (NN system) (NN system)) (PP (IN of) (NP (DT the) (NN body)))))) (. .)))