( ( parasympathetic ( nervous system ) ) . )
(ROOT (FRAG (NP (JJ parasympathetic) (JJ nervous) (NN system)) (. .)))
parasympathetic nervous system .
(ROOT (S (NP (DT The) (JJ parasympathetic) (NN system)) (VP (MD can) (ADVP (RB also)) (VP (VB be) (VP (VBN referred) (S (VP (TO to))) (PP (IN as) (NP (DT the) (JJ craniosacral) (NN system)))))) (. .)))