( Electricity ( ( is ( like ( ( the ( circulatory system ) ) ( in ( the body ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Electricity)) (VP (VBZ is) (PP (IN like) (NP (NP (DT the) (JJ circulatory) (NN system)) (PP (IN in) (NP (DT the) (NN body)))))) (. .)))
Electricity is like the circulatory system in 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)))))) (. .)))