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The effect of ( - ) - carvone was compared with that of the classical calcium channel blocker ( CCB ) verapamil .
 Chemical: ( - ) - carvone; Chemical: calcium; Chemical: verapamil
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: ( - ) - carvone, calcium, verapamil 
Answer:
 Chemical: ( - ) - carvone; Chemical: calcium; Chemical: verapamil