3508
Chlorpropamide - induced optic neuropathy .
 Chemical: Chlorpropamide; Disease: optic neuropathy
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: Chlorpropamide, optic neuropathy 
Answer:
 Chemical: Chlorpropamide; Disease: optic neuropathy