( Adolescence ( ( is ( divided ( into ( three stages ) ) ) ) . ) )
(ROOT (S (NP (NNP Adolescence)) (VP (VBZ is) (VP (VBN divided) (PP (IN into) (NP (CD three) (NNS stages))))) (. .)))
Adolescence is divided into three stages.
(ROOT (S (NP (NNP Adulthood)) (VP (VBZ is) (VP (VBN divided) (PP (IN into) (NP (CD three) (NNS stages))))) (. .)))