1319
Two prodrugs of potent and selective GluR5 kainate receptor antagonists actives in three animal models of pain .
 Chemical: kainate; Disease: pain
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: kainate, pain 
Answer:
 Chemical: kainate; Disease: pain