3267
Use of verapamil in combination with carbamazepine should either be avoided or prescribed only with appropriate adjustment of the carbamazepine dose ( usually reduction of the carbamazepine dose by one half ) .
 Chemical: verapamil; Chemical: carbamazepine; Chemical: carbamazepine; Chemical: carbamazepine
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: verapamil, carbamazepine, carbamazepine, carbamazepine 
Answer:
 Chemical: verapamil; Chemical: carbamazepine; Chemical: carbamazepine; Chemical: carbamazepine