27537
Pre - treatment with MSM ( 400 mg / kg ) inhibited the increases of serum ALT and AST activities , decreased hepatic MDA , TNF - alpha , IL - 6 and Bax / Bcl2 ratio compared to CCl4 treated group .
 Chemical: MSM; Chemical: MDA; Chemical: CCl4
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: MSM, MDA, CCl4 
Answer:
 Chemical: MSM; Chemical: MDA; Chemical: CCl4