17216
Tricin is found mainly in cereal grains , such as wheat , rice , barley , oat and maize .
 Chemical: Tricin
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: Tricin 
Answer:
 Chemical: Tricin