27710
In mouse dorsal root ganglion neuronal cultures , PO added to the medium blocked adenosine triphosphate - activated , but not capsaicin - activated , pain pathways , demonstrating specificity .
 Chemical: adenosine triphosphate; Chemical: capsaicin
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: adenosine triphosphate, capsaicin 
Answer:
 Chemical: adenosine triphosphate; Chemical: capsaicin