13387
This allows direct comparison with similar effects found for other environmental contaminants like polychlorinated biphenyls and brominated flame - retardants .
 Chemical: polychlorinated biphenyls
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: polychlorinated biphenyls 
Answer:
 Chemical: polychlorinated biphenyls