( ( The ( ( autonomic nervous ) system ) ) ( ( is ( divided ( into ( ( ( sympathetic and ) parasympathetic ) systems ) ) ) ) . ) )
(ROOT (S (NP (DT The) (ADJP (JJ autonomic) (JJ nervous)) (NN system)) (VP (VBZ is) (VP (VBN divided) (PP (IN into) (NP (ADJP (JJ sympathetic) (CC and) (JJ parasympathetic)) (NNS systems))))) (. .)))
The autonomic nervous system is divided into sympathetic and parasympathetic systems.
(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)))))) (. .)))