( ( ( ( ( ( ( ( The ( resulting structure ) ) , ) ( now ( called ( ( the ( corpus luteum ) ) ( -LRB- ( ( yellow body ) -RRB- ) ) ) ) ) ) , ) ( produces ( ( progesterone and ) estradiol ) ) ) , ) ( ( two ( of ( the hormones ) ) ) ( critical ( to reproduction ) ) ) ) . )
(ROOT (S (S (NP (NP (DT The) (VBG resulting) (NN structure)) (, ,) (VP (ADVP (RB now)) (VBN called) (NP (NP (DT the) (NN corpus) (NN luteum)) (PRN (-LRB- -LRB-) (NP (JJ yellow) (NN body)) (-RRB- -RRB-)))) (, ,)) (VP (VBZ produces) (ADJP (JJ progesterone) (CC and) (JJ estradiol)))) (, ,) (S (NP (NP (CD two)) (PP (IN of) (NP (DT the) (NNS hormones)))) (ADJP (JJ critical) (PP (TO to) (NP (NN reproduction))))) (. .)))
The resulting structure, now called the corpus luteum (yellow body), produces progesterone and estradiol, two of the hormones critical to reproduction.
(ROOT (S (NP (NP (DT The) (NNS cells)) (PP (IN in) (NP (DT the) (NN follicle)))) (VP (VP (VBP undergo) (NP (JJ physical) (NNS changes))) (CC and) (VP (VBP produce) (SBAR (S (NP (DT a) (NN structure)) (VP (VBD called) (NP (DT a) (NN corpus) (NN luteum))))))) (. .)))