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We describe 2 patients with cutaneous lupus erythematosus who developed severe dapsone reaction after low dose therapy, with a fatal outcome in one.
 2 patients with cutaneous lupus erythematosus: Subject; 2: Subject.Population; severe dapsone reaction: Effect; with a fatal outcome in one: Effect; low dose therapy: Treatment; cutaneous lupus erythematosus: Treatment.Disorder; low dose: Treatment.Dosage; dapsone: Treatment.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: 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:
 2 patients with cutaneous lupus erythematosus: Subject; 2: Subject.Population; severe dapsone reaction: Effect; with a fatal outcome in one: Effect; low dose therapy: Treatment; cutaneous lupus erythematosus: Treatment.Disorder; low dose: Treatment.Dosage; dapsone: Treatment.Drug