1157
The combination therapy of interferon alpha and ribavirin was given to a 50-year-old female with CHC who had not responded to a previous treatment by interferon alpha.
 a 50-year-old female with CHC who had not responded to a previous treatment by interferon alpha: Subject; 50-year-old: Subject.Age; female: Subject.Gender; combination therapy of interferon alpha and ribavirin: Treatment; CHC: Treatment.Disorder; interferon alpha: Treatment.Drug; ribavirin: Treatment.Drug; interferon alpha: Combination.Drug; ribavirin: Combination.Drug
Given event type and trigger, please tell me the arguments of all the listed option. Output format is "name1: role1; name2: role2". 
Event type: potential therapeutic event 
  Option: Treatment.Freq, Subject.Population, Combination.Drug, Subject.Gender, Treatment.Duration, Subject, Effect, Treatment, Treatment.Disorder, Treatment.Time_elapsed, Subject.Disorder, Subject.Race, Treatment.Route, Treatment.Dosage, Subject.Age, Treatment.Drug 
Text: {0} 
Answer:
 a 50-year-old female with CHC who had not responded to a previous treatment by interferon alpha: Subject; 50-year-old: Subject.Age; female: Subject.Gender; combination therapy of interferon alpha and ribavirin: Treatment; CHC: Treatment.Disorder; interferon alpha: Treatment.Drug; ribavirin: Treatment.Drug; interferon alpha: Combination.Drug; ribavirin: Combination.Drug