505
The standard of care for management of RIHA is reduction or discontinuation of the ribavirin dosage .
 Disease: RIHA; Chemical: ribavirin
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: RIHA, ribavirin 
Answer:
 Disease: RIHA; Chemical: ribavirin