7483
Estrogens were prohibited in the food producing animals by European Union ( 96 / 22 / EC directive ) and added to the Report on Carcinogens in United States since 2002 .
 Chemical: Estrogens
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: Estrogens