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CASE REPORT: A 29-year-old black man, HIV-infected since 1996, began highly active antiretroviral therapy (HAART) with zidovudine, lamivudine, and indinavir.
 ( potential therapeutic event: began ,  A 29-year-old black man, HIV-infected since 1996: Subject, 29-year-old: Subject.Age, black: Subject.Race, man: Subject.Gender, highly active antiretroviral therapy (HAART) with zidovudine, lamivudine, and indinavir: Treatment, zidovudine: Treatment.Drug, lamivudine: Treatment.Drug, indinavir: Treatment.Drug, HIV: Treatment.Disorder, zidovudine: Combination.Drug, lamivudine: Combination.Drug, indinavir: 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:
 ( potential therapeutic event: began ,  A 29-year-old black man, HIV-infected since 1996: Subject, 29-year-old: Subject.Age, black: Subject.Race, man: Subject.Gender, highly active antiretroviral therapy (HAART) with zidovudine, lamivudine, and indinavir: Treatment, zidovudine: Treatment.Drug, lamivudine: Treatment.Drug, indinavir: Treatment.Drug, HIV: Treatment.Disorder, zidovudine: Combination.Drug, lamivudine: Combination.Drug, indinavir: Combination.Drug) 