( ( Like ( the ( other organochlorines ) ) ) ( , ( PCBs ( ( ( ( ( ( ( ( ( behave ( ( as toxic ) estrogens ) ) , ) ( can ( ( pass ( the placenta ) ) ( into ( the ( developing baby ) ) ) ) ) ) , ) ( are ( concentrated ( in ( breast milk ) ) ) ) ) , ) and ) ( are ( directly ( connected ( to ( breast cancer ) ) ) ) ) ) . ) ) ) )
(ROOT (S (PP (IN Like) (NP (DT the) (JJ other) (NNS organochlorines))) (, ,) (NP (NNS PCBs)) (VP (VP (VB behave) (ADJP (RB as) (JJ toxic)) (VBZ estrogens)) (, ,) (VP (MD can) (VP (VB pass) (NP (DT the) (NN placenta)) (PP (IN into) (NP (DT the) (VBG developing) (NN baby))))) (, ,) (VP (VBP are) (VP (VBN concentrated) (PP (IN in) (NP (NN breast) (NN milk))))) (, ,) (CC and) (VP (VBP are) (ADJP (RB directly) (VBN connected) (PP (TO to) (NP (NN breast) (NN cancer)))))) (. .)))
Like the other organochlorines, PCBs behave as toxic estrogens, can pass the placenta into the developing baby, are concentrated in breast milk, and are directly connected to breast cancer.
(ROOT (S (NP (NP (DT A) (NN connection)) (PP (TO to) (NP (DT the) (NN placenta)))) (VP (VBZ is) (VP (VBN required) (PP (IN for) (NP (DT a) (JJ newborn) (NN baby))) (S (VP (TO to) (VP (VB begin) (NP (NN breathing))))))) (. .)))