( ( ( Life events ) ( such ( as ( ( ( ( ( marriage , ) parenthood ) , ) and ) ( accelerated ( career development ) ) ) ) ) ) ( ( can ( ( ( complicate ( friendships ( in ( the transition ) ) ) ) ( from ( young adulthood ) ) ) ( to ( middle adulthood ) ) ) ) . ) )
(ROOT (S (NP (NP (NNP Life) (NNS events)) (PP (JJ such) (IN as) (NP (NP (NN marriage)) (, ,) (NP (NN parenthood)) (, ,) (CC and) (NP (JJ accelerated) (NN career) (NN development))))) (VP (MD can) (VP (VB complicate) (NP (NP (NNS friendships)) (PP (IN in) (NP (DT the) (NN transition)))) (PP (IN from) (NP (JJ young) (NN adulthood))) (PP (TO to) (NP (JJ middle) (NN adulthood))))) (. .)))
Life events such as marriage, parenthood, and accelerated career development can complicate friendships in the transition from young adulthood to middle adulthood.
(ROOT (S (NP (NNP Menopause)) (VP (VBZ occurs) (PRT (RP in)) (PP (IN in) (NP (JJ middle) (NN adulthood)))) (. .)))