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Pharmacokinetic interactions of curcumin with phenobarbitone and carbamazepine were also studied .
 Chemical: curcumin; Chemical: phenobarbitone; 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: curcumin, phenobarbitone, carbamazepine 
Answer:
 Chemical: curcumin; Chemical: phenobarbitone; Chemical: carbamazepine