14248
Oral administration of silymarin dose - dependently decreased gastric lesions in ethanol - induced gastritis model .
 Chemical: silymarin; Chemical: ethanol
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: silymarin, ethanol 
Answer:
 Chemical: silymarin; Chemical: ethanol