1659
In both types , purinoceptor desensitization with alpha , beta - methylene adenosine - 5 ' - triphosphate ( alpha , beta - meATP ) caused further reductions at low frequencies ( < 10 Hz ) .
 Chemical: alpha , beta - methylene adenosine - 5 ' - triphosphate; Chemical: alpha , beta - meATP
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: alpha , beta - methylene adenosine - 5 ' - triphosphate, alpha , beta - meATP 
Answer:
 Chemical: alpha , beta - methylene adenosine - 5 ' - triphosphate; Chemical: alpha , beta - meATP