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A 53-year-old Caucasian male victim of suicide was suspected of overdose with sertraline and alprazolam after death-scene investigation.
 ( adverse event: with ,  53-year-old Caucasian male victim of suicide: Subject, 53-year-old: Subject.Age, Caucasian: Subject.Race, male: Subject.Gender, overdose: Treatment, sertraline and alprazolam: Treatment, overdose: Treatment.Dosage, sertraline: Treatment.Drug, alprazolam: Treatment.Drug, sertraline: Combination.Drug, alprazolam: Combination.Drug) 
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: with ,  53-year-old Caucasian male victim of suicide: Subject, 53-year-old: Subject.Age, Caucasian: Subject.Race, male: Subject.Gender, overdose: Treatment, sertraline and alprazolam: Treatment, overdose: Treatment.Dosage, sertraline: Treatment.Drug, alprazolam: Treatment.Drug, sertraline: Combination.Drug, alprazolam: Combination.Drug) 