2028
To this end , persistent hyperalgesia was induced by administration of capsaicin in the tail of gonadally intact F344 rats , following which the tail was immersed in a mildly noxious thermal stimulus , and tail - withdrawal latencies measured .
 Disease: hyperalgesia; Chemical: capsaicin
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: hyperalgesia, capsaicin 
Answer:
 Disease: hyperalgesia; Chemical: capsaicin