( ( The ( prostate gland ) ) ( ( produces ( fluid ( that ( is ( part ( of ( ( semen , ) ( fluid ( that ( ( ( transports and ) nourishes ) sperm ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NN prostate) (NN gland)) (VP (VBZ produces) (NP (NP (NN fluid)) (SBAR (WHNP (WDT that)) (S (VP (VBZ is) (NP (NP (NN part)) (PP (IN of) (NP (NP (NN semen)) (, ,) (NP (NP (NN fluid)) (SBAR (WHNP (WDT that)) (S (VP (VBZ transports) (CC and) (VBZ nourishes) (NP (NN sperm)))))))))))))) (. .)))
The prostate gland produces fluid that is part of semen, fluid that transports and nourishes sperm.
(ROOT (S (NP (DT The) (NN prostate) (NN gland)) (VP (VBZ secretes) (NP (NP (DT a) (NN fluid)) (SBAR (WHNP (WDT that)) (S (VP (VBZ mixes) (PP (IN with) (NP (NN sperm))) (S (VP (TO to) (VP (VB help) (NP (NN form) (NN semen)))))))))) (. .)))