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