( ( The ( third trimester ) ) ( ( is ( ( a time ) ( of ( rapid growth ) ) ) ) . ) )
(ROOT (S (NP (DT The) (JJ third) (NN trimester)) (VP (VBZ is) (NP (NP (DT a) (NN time)) (PP (IN of) (NP (JJ rapid) (NN growth))))) (. .)))
The third trimester is a time of rapid growth.
(ROOT (S (NP (DT The) (JJ third) (NN trimester)) (VP (VBZ is) (VP (VBN associated) (PP (IN with) (NP (JJ rapid) (JJ fetal) (NN growth))))) (. .)))