( ( The ovaries ) ( ( ( ( are ( part ( of ( the ( endocrine system ) ) ) ) ) and ) ( produce ( estrogen ( and ( progesterone ( , ( female ( sex hormones ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NNS ovaries)) (VP (VP (VBP are) (NP (NP (NN part)) (PP (IN of) (NP (DT the) (JJ endocrine) (NN system))))) (CC and) (VP (VBP produce) (NP (NN estrogen) (CC and) (NN progesterone) (, ,) (JJ female) (NN sex) (NNS hormones)))) (. .)))
The ovaries are part of the endocrine system and produce estrogen and progesterone, female sex hormones.
(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 (VP (VB produce) (NP (NNS eggs))) (, ,) (VP (VB secrete) (NP (JJ female) (NN sex) (NNS hormones))) (, ,) (CC and) (VP (ADVP (RB ultimately)) (VB enable) (NP (NP (NN birth)) (PP (IN of) (NP (DT a) (NN fetus))))))))))) (. .)))