3393
Oral diphenhydramine and prednisone were ineffective in preventing the recurrence of the allergic reaction .
 Chemical: diphenhydramine; Chemical: prednisone; Disease: allergic reaction
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: diphenhydramine, prednisone, allergic reaction 
Answer:
 Chemical: diphenhydramine; Chemical: prednisone; Disease: allergic reaction