30300
Interactive effects of smoking and glutathione S - transferase polymorphisms on the development of non - alcoholic fatty liver disease .
 Chemical: glutathione; Chemical: S
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: glutathione, S 
Answer:
 Chemical: glutathione; Chemical: S