( ( ( ( ( Proglottids , ) or ) ( segments ( of ( ( the tapeworm ) ( that ( contain ( ( ( a ( complete ( reproductive ( system-both male ) ) ) ) and ) ( female ( sex organs ) ) ) ) ) ) ) ) ) , ) ( ( start ( producing ( eggs ( via ( sexual reproduction ) ) ) ) ) . ) )
(ROOT (S (NP (NP (NNS Proglottids)) (, ,) (CC or) (NP (NP (NNS segments)) (PP (IN of) (NP (NP (DT the) (NN tapeworm)) (SBAR (WHNP (WDT that)) (S (VP (VBP contain) (NP (NP (DT a) (JJ complete) (JJ reproductive) (JJ system-both) (NN male)) (CC and) (NP (JJ female) (NN sex) (NNS organs))))))))) (, ,)) (VP (VBP start) (S (VP (VBG producing) (NP (NP (NNS eggs)) (PP (IN via) (NP (JJ sexual) (NN reproduction))))))) (. .)))
Proglottids, or segments of the tapeworm that contain       a complete reproductive system-both male and female sex       organs, start producing eggs via sexual reproduction.
(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))))))))))) (. .)))