2764
Our aim in this study is to examine the effects of alpha - tocopherol ( AT ) on rats with aspiration pneumonitis induced with bile acids ( BAs ) .
 Chemical: alpha - tocopherol; Chemical: bile acids; Chemical: BAs
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: alpha - tocopherol, bile acids, BAs 
Answer:
 Chemical: alpha - tocopherol; Chemical: bile acids; Chemical: BAs