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A 55-year-old woman presented an episode of acute urticaria and labial angioedema 60 minutes after ingesting 500 mg of cloxacillin for a skin abscess.
 ( adverse event: presented ,  A 55-year-old woman: Subject, a skin abscess: Subject, 55-year-old: Subject.Age, woman: Subject.Gender, acute urticaria and labial angioedema: Effect, ingesting 500 mg of cloxacillin: Treatment, 60 minutes: Treatment.Time_elapsed, ingesting: Treatment.Route, 500 mg: Treatment.Dosage, cloxacillin: Treatment.Drug, skin abscess: Treatment.Disorder) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: adverse event,potential therapeutic event, Arguments type: Treatment.Disorder,Treatment.Time_elapsed,Treatment.Dosage,Subject.Race,Treatment.Drug,Treatment.Route,Subject.Disorder,Treatment.Freq,Treatment,Effect,Subject.Population,Treatment.Duration,Combination.Drug,Subject,Subject.Age,Subject.Gender. 
Text: {0} 
Answer:
 ( adverse event: presented ,  A 55-year-old woman: Subject, a skin abscess: Subject, 55-year-old: Subject.Age, woman: Subject.Gender, acute urticaria and labial angioedema: Effect, ingesting 500 mg of cloxacillin: Treatment, 60 minutes: Treatment.Time_elapsed, ingesting: Treatment.Route, 500 mg: Treatment.Dosage, cloxacillin: Treatment.Drug, skin abscess: Treatment.Disorder) 