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We have examined the effect of systemic administration of ketamine and lidocaine on brush - evoked ( dynamic ) pain and punctate - evoked ( static ) hyperalgesia induced by capsaicin .
 Chemical: ketamine; Chemical: lidocaine; Disease: pain; 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: ketamine, lidocaine, pain, hyperalgesia, capsaicin 
Answer:
 Chemical: ketamine; Chemical: lidocaine; Disease: pain; Disease: hyperalgesia; Chemical: capsaicin