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The data indicate that the effects of streptozotocin - induced diabetes on urinary bladder function are both prevented and reversed by insulin treatment .
 Chemical: streptozotocin; Disease: diabetes
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: streptozotocin, diabetes 
Answer:
 Chemical: streptozotocin; Disease: diabetes