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This patient developed sequential symptoms including alternative hemiparesis, dysarthria and altered consciousness 5 days after the second course of HD-MTX (8 gm/m2 by 6 h continuous infusion) with leucovorin rescue.
 patient: Subject; sequential symptoms including alternative hemiparesis, dysarthria and altered consciousness: Effect; the second course of HD-MTX (8 gm/m2 by 6 h continuous infusion) with leucovorin rescue: Treatment; 5 days after the second course: Treatment.Time_elapsed; MTX: Treatment.Drug; leucovorin rescue: Treatment.Drug; 8 gm/m2 by 6 h continuous: Treatment.Dosage; infusion: Treatment.Route; leucovorin rescue: Combination.Drug; MTX: Combination.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:
 patient: Subject; sequential symptoms including alternative hemiparesis, dysarthria and altered consciousness: Effect; the second course of HD-MTX (8 gm/m2 by 6 h continuous infusion) with leucovorin rescue: Treatment; 5 days after the second course: Treatment.Time_elapsed; MTX: Treatment.Drug; leucovorin rescue: Treatment.Drug; 8 gm/m2 by 6 h continuous: Treatment.Dosage; infusion: Treatment.Route; leucovorin rescue: Combination.Drug; MTX: Combination.Drug