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Relative to controls , males exposed to the two upper but not the lowest dose of BPA demonstrated similar impairments in spatial learning , increased anxiety and reduced exploratory behaviors as ethinyl estradiol - exposed males , while females exposed to ethinyl estradiol , but not to BPA , consistently exhibited masculinized spatial abilities .
 Chemical: BPA; Chemical: ethinyl estradiol; 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: BPA; Chemical: ethinyl estradiol; Chemical: ethinyl estradiol; Chemical: BPA