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We describe a patient who presented with bloody diarrhoea after 15 mg meloxicam daily for 10 days for osteoarthritis.
 a patient who presented with bloody diarrhoea: Subject; osteoarthritis: Subject; bloody diarrhoea: Effect; 15 mg meloxicam daily for 10 days: Treatment; 15 mg: Treatment.Dosage; meloxicam: Treatment.Drug; daily: Treatment.Freq; osteoarthritis: Treatment.Disorder; 10 days: Treatment.Duration
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:
 a patient who presented with bloody diarrhoea: Subject; osteoarthritis: Subject; bloody diarrhoea: Effect; 15 mg meloxicam daily for 10 days: Treatment; 15 mg: Treatment.Dosage; meloxicam: Treatment.Drug; daily: Treatment.Freq; osteoarthritis: Treatment.Disorder; 10 days: Treatment.Duration