( ( The testicles ) ( ( are ( responsible ( for ( producing ( ( sperm and ) ( the ( male ( hormone testosterone ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NNS testicles)) (VP (VBP are) (ADJP (JJ responsible) (PP (IN for) (S (VP (VBG producing) (NP (NP (NN sperm)) (CC and) (NP (DT the) (JJ male) (NN hormone) (NN testosterone)))))))) (. .)))
The testicles are responsible for producing sperm and the male hormone testosterone.
(ROOT (S (NP (DT The) (JJ male) (JJ reproductive) (NN system)) (VP (VBZ consists) (PP (IN of) (NP (NP (NNS structures)) (SBAR (WHNP (WDT that)) (S (VP (VBP produce) (NP (NN sperm) (CC and) (NN secrete) (NN testosterone)))))))) (. .)))