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A 60-year-old white man with chronic bronchitis was noted to develop acute respiratory failure and metabolic acidosis four days after being started on methazolamide (Neptazane) for an ophthalmologic problem.
 ( adverse event: develop ,  A 60-year-old white man with chronic bronchitis: Subject, 60-year-old: Subject.Age, white: Subject.Race, man: Subject.Gender, chronic bronchitis: Subject.Disorder, acute respiratory failure and metabolic acidosis: Effect, methazolamide (Neptazane): Treatment, methazolamide: Treatment.Drug, ophthalmologic problem: Treatment.Disorder, four days after: Treatment.Time_elapsed) 
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: develop ,  A 60-year-old white man with chronic bronchitis: Subject, 60-year-old: Subject.Age, white: Subject.Race, man: Subject.Gender, chronic bronchitis: Subject.Disorder, acute respiratory failure and metabolic acidosis: Effect, methazolamide (Neptazane): Treatment, methazolamide: Treatment.Drug, ophthalmologic problem: Treatment.Disorder, four days after: Treatment.Time_elapsed) 