( ( The prostate ) ( ( ( secretes fluid ) ( that ( ( ( forms part ) ( of ( ( the semen ) ( in ( which sperm ) ) ) ) ) ( are transported ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NN prostate)) (VP (VBZ secretes) (ADJP (JJ fluid)) (SBAR (IN that) (S (NP (NP (NNS forms) (NN part)) (PP (IN of) (NP (NP (DT the) (NN semen)) (WHPP (IN in) (WHNP (WDT which) (NN sperm)))))) (VP (VBP are) (VP (VBN transported)))))) (. .)))
The prostate secretes fluid that forms part of the semen in which sperm are transported.
(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)))))))))) (. .)))