18239
The tyrosine hydroxylase inhibitor alpha - methyltyrosine ( 300 micro M , 24h ) completely abolished MeHg - induced DA release .
 Chemical: tyrosine; Chemical: alpha - methyltyrosine; Chemical: MeHg
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: tyrosine, alpha - methyltyrosine, MeHg 
Answer:
 Chemical: tyrosine; Chemical: alpha - methyltyrosine; Chemical: MeHg