1481
Fatal ventricular fibrillation after treatment with digoxin in a 27-year-old man with mitral leaflet prolapse syndrome.
 a 27-year-old man with mitral leaflet prolapse syndrome: Subject; 27-year-old: Subject.Age; man: Subject.Gender; Fatal ventricular fibrillation: Effect; digoxin: Treatment; digoxin: Treatment.Drug; mitral leaflet prolapse syndrome: 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: adverse event 
  Option: Treatment.Freq, Subject.Population, Combination.Drug, Subject.Gender, Treatment.Duration, Subject, Effect, Treatment, Treatment.Disorder, Subject.Disorder, Treatment.Route, Subject.Race, Treatment.Time_elapsed, Treatment.Dosage, Subject.Age, Treatment.Drug 
Text: {0} 
Answer:
 a 27-year-old man with mitral leaflet prolapse syndrome: Subject; 27-year-old: Subject.Age; man: Subject.Gender; Fatal ventricular fibrillation: Effect; digoxin: Treatment; digoxin: Treatment.Drug; mitral leaflet prolapse syndrome: Treatment.Disorder