16340
Co - treatment by BZA and TNF - alpha - containing conditioned media from human inflammatory macrophages similarly up - regulated IL - 6 expression in MCF - 7 cells .
 Chemical: BZA
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: BZA 
Answer:
 Chemical: BZA