4157
Estimation of BDNF gene polymorphism and predisposition to dependence development for selected psychoactive compounds : genetic aspects of addiction with the selected drugs , amphetamine , tetrahydrocannabinol and opiates .
 Chemical: amphetamine; Chemical: tetrahydrocannabinol
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: amphetamine, tetrahydrocannabinol 
Answer:
 Chemical: amphetamine; Chemical: tetrahydrocannabinol