2882
Here , dams during gestation and lactation were fed with a phytoestrogen - free control diet , the same diet supplemented with either ethinyl estradiol ( 0 . 1 ppb ) , or one of the three doses of BPA ( 50 mg , 5 mg , 50 mu g / kg feed weight ) .
 Chemical: ethinyl estradiol; Chemical: BPA
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: ethinyl estradiol; Chemical: BPA