796
The reported case represents an unusual association between medication with the proton pump inhibitor lansoprazole and the development of collagenous colitis suggesting the importance of evaluation of drug use in patients with microscopic colitis.
 patients with microscopic colitis: Subject; microscopic colitis: Subject.Disorder; collagenous colitis: Effect; proton pump inhibitor lansoprazole: Treatment; lansoprazole: 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:
 patients with microscopic colitis: Subject; microscopic colitis: Subject.Disorder; collagenous colitis: Effect; proton pump inhibitor lansoprazole: Treatment; lansoprazole: Treatment.Drug