( ( The ( vas deferens ) ) ( ( is ( ( a ( small cord ) ) ( about ( ( the size ) ( of ( ( ( a ( pencil lead ) ) , ) ( which ( carries ( sperm ( which ( have ( ( matured ( from ( ( ( the testicle ) and ) epididymis ) ) ) ( to ( ( the ( ejaculatory ducts ) ) ( near ( ( the ( prostate gland ) ) ( in ( the urethra ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NN vas) (NNS deferens)) (VP (VBZ is) (NP (NP (DT a) (JJ small) (NN cord)) (PP (IN about) (NP (NP (DT the) (NN size)) (PP (IN of) (NP (NP (DT a) (NN pencil) (NN lead)) (, ,) (SBAR (WHNP (WDT which)) (S (VP (VBZ carries) (NP (NP (NN sperm)) (SBAR (WHNP (WDT which)) (S (VP (VBP have) (VP (VBN matured) (PP (IN from) (NP (NP (DT the) (NN testicle)) (CC and) (NP (NNS epididymis)))) (PP (TO to) (NP (NP (DT the) (JJ ejaculatory) (NNS ducts)) (PP (IN near) (NP (NP (DT the) (NN prostate) (NN gland)) (PP (IN in) (NP (DT the) (NN urethra))))))))))))))))))))) (. .)))
The vas deferens is a small cord about the size of a pencil lead, which carries sperm which have matured from the testicle and epididymis to the ejaculatory ducts near the prostate gland in the urethra.
(ROOT (S (NP (DT A) (NN vas) (NNS deferens)) (VP (VBZ is) (NP (NP (DT the) (NN name)) (PP (IN of) (NP (NP (DT the) (NN tube)) (SBAR (WHNP (WDT that)) (S (VP (VBZ carries) (NP (NN sperm)) (PP (IN from) (NP (NP (DT the) (NNS epididymis)) (PP (TO to) (NP (DT the) (NN urethra)))))))))))) (. .)))