28192
Their estrogenic activity is in the order of 4 ' - OH - BDE - 049 > 4 ' - OH - BDE - 017 > 2 ' - OH - BDE - 007 > 3 ' - OH - BDE - 028 > 3 - OH - BDE - 047 >= 3 ' - OH - BDE - 007 .
 Chemical: 4 ' - OH - BDE - 049; Chemical: 4 ' - OH - BDE - 017; Chemical: 2 ' - OH - BDE - 007; Chemical: 3 ' - OH - BDE - 028; Chemical: 3 - OH - BDE - 047; Chemical: 3 ' - OH - BDE - 007
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: 4 ' - OH - BDE - 049, 4 ' - OH - BDE - 017, 2 ' - OH - BDE - 007, 3 ' - OH - BDE - 028, 3 - OH - BDE - 047, 3 ' - OH - BDE - 007 
Answer:
 Chemical: 4 ' - OH - BDE - 049; Chemical: 4 ' - OH - BDE - 017; Chemical: 2 ' - OH - BDE - 007; Chemical: 3 ' - OH - BDE - 028; Chemical: 3 - OH - BDE - 047; Chemical: 3 ' - OH - BDE - 007