21891
Goishi - tea including its fractions ( ethyl - acetate layer and water layer ) was administrated in normal and obesity three sub - groups .
 Chemical: ethyl - acetate
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: ethyl - acetate 
Answer:
 Chemical: ethyl - acetate