( ( Based ( on ( ( your knowledge ) ( of ( ( the ( hormonal regulation ) ) ( of ( the ( female ( reproductive system ) ) ) ) ) ) ) ) ) ( , ( ( give ( ( a ( ( more complete ) explanation ) ) ( of ( why ( RU486 ( leads ( to ( loss ( of ( the fetus ) ) ) ) ) ) ) ) ) ) . ) ) )
(ROOT (S (PP (VBN Based) (PP (IN on) (NP (NP (PRP$ your) (NN knowledge)) (PP (IN of) (NP (NP (DT the) (JJ hormonal) (NN regulation)) (PP (IN of) (NP (DT the) (JJ female) (JJ reproductive) (NN system)))))))) (, ,) (VP (VB give) (NP (NP (DT a) (ADJP (RBR more) (JJ complete)) (NN explanation)) (PP (IN of) (SBAR (WHADVP (WRB why)) (S (NP (NNP RU486)) (VP (VBZ leads) (PP (TO to) (NP (NP (NN loss)) (PP (IN of) (NP (DT the) (NN fetus))))))))))) (. .)))
Based on your knowledge of the hormonal regulation of the female reproductive system, give a more complete explanation of why RU486 leads to loss of the fetus.
(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))))))))))) (. .)))