9455
To our knowledge , this is the first report on natural DON occurrence in wheat and DON dietary exposure estimation from Paran a , Brazil .
 Chemical: DON; Chemical: DON
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: DON, DON 
Answer:
 Chemical: DON; Chemical: DON