( ( The ( female ( reproductive system ) ) ) ( ( consists ( of ( structures ( that ( produce ( ( female gametes ) ( ( ( called eggs ) and ) ( secrete ( the ( female ( sex ( hormone estrogen ) ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (JJ female) (JJ reproductive) (NN system)) (VP (VBZ consists) (PP (IN of) (NP (NP (NNS structures)) (SBAR (WHNP (WDT that)) (S (VP (VBP produce) (SBAR (S (NP (JJ female) (NNS gametes)) (VP (VP (VBD called) (NP (NNS eggs))) (CC and) (VP (VBP secrete) (NP (DT the) (JJ female) (NN sex) (NN hormone) (NN estrogen)))))))))))) (. .)))
The female reproductive system consists of structures that produce female gametes called eggs and secrete the female sex hormone estrogen.
(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)))))))) (. .)))