( Estrogens ( ( are ( ( ( ( a group ) ( of ( female hormones ) ) ) ( essential ( ( ( for ( the ( reproductive process ) ) ) and ) ( for ( ( the development ) ( of ( ( ( ( ( ( the uterus ) , ) breasts ) , ) and ) ( other ( physical changes ) ) ) ) ) ) ) ) ) ( associated ( with puberty ) ) ) ) . ) )
(ROOT (S (NP (NNS Estrogens)) (VP (VBP are) (NP (NP (DT a) (NN group)) (PP (IN of) (NP (JJ female) (NNS hormones))) (ADJP (JJ essential) (PP (PP (IN for) (NP (DT the) (JJ reproductive) (NN process))) (CC and) (PP (IN for) (NP (NP (DT the) (NN development)) (PP (IN of) (NP (NP (DT the) (NN uterus)) (, ,) (NP (NNS breasts)) (, ,) (CC and) (NP (JJ other) (JJ physical) (NNS changes)))))))) (VP (VBN associated) (PP (IN with) (NP (NN puberty)))))) (. .)))
Estrogens are a group of female hormones essential for the reproductive process and for the development of the uterus, breasts, and other physical changes associated with puberty.
(ROOT (S (NP (NNP Estrogen)) (VP (VBZ causes) (NP (NP (DT the) (NNS changes)) (PP (IN of) (NP (NN puberty))))) (. .)))