1499
We report on a 14-year-old boy with severe haemophilia A who developed a portal vein thrombosis during continuous infusion of F VIII.
 a 14-year-old boy with severe haemophilia A: Subject; 14-year-old: Subject.Age; boy: Subject.Gender; a portal vein thrombosis: Effect; continuous infusion of F VIII: Treatment; continuous: Treatment.Freq; infusion: Treatment.Route; F VIII: Treatment.Drug; haemophilia A: Treatment.Disorder
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 14-year-old boy with severe haemophilia A: Subject; 14-year-old: Subject.Age; boy: Subject.Gender; a portal vein thrombosis: Effect; continuous infusion of F VIII: Treatment; continuous: Treatment.Freq; infusion: Treatment.Route; F VIII: Treatment.Drug; haemophilia A: Treatment.Disorder