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Methamphetamine ( MA ) - induced dopaminergic neurotoxicity is believed to be associated with the increased formation of free radicals .
 Chemical: Methamphetamine; Chemical: MA; Disease: neurotoxicity
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: Methamphetamine, MA, neurotoxicity 
Answer:
 Chemical: Methamphetamine; Chemical: MA; Disease: neurotoxicity