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A 61-year-old patient who had been treated with lisinopril in the past without any problems was commenced on ramipril for left ventricular dysfunction.
 A 61-year-old patient who had been treated with lisinopril in the past without any problems: Subject; 61-year-old: Subject.Age; ramipril: Treatment; ramipril: Treatment.Drug; left ventricular dysfunction: Treatment.Disorder
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 61-year-old patient who had been treated with lisinopril in the past without any problems: Subject; 61-year-old: Subject.Age; ramipril: Treatment; ramipril: Treatment.Drug; left ventricular dysfunction: Treatment.Disorder