1802
During treatment of chronic hepatitis C patients with interferon and ribavirin , a lot of side effects are described .
 Disease: chronic hepatitis C; 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: chronic hepatitis C, ribavirin 
Answer:
 Disease: chronic hepatitis C; Chemical: ribavirin