2585
RESULTS : It was found out that crocin ( 30 mg / kg ) - treated STZ - injected rats show higher correct choices and lower errors in Y - maze than vehicle - treated STZ - injected rats .
 Chemical: crocin; Chemical: STZ; Chemical: STZ
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
 Entities: crocin, STZ, STZ 
Answer:
 Chemical: crocin; Chemical: STZ; Chemical: STZ