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Both drugs were immediately discontinued , and the patient recovered after subsequent nicardipine and verapamil treatment .
 Chemical: nicardipine; Chemical: verapamil
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: nicardipine, verapamil 
Answer:
 Chemical: nicardipine; Chemical: verapamil