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We consider drug - induced cerebral vasculitis as the most likely cause of recurrent ischaemic strokes in the absence of any pathological findings during the diagnostic work - up .
 Disease: cerebral vasculitis; Disease: ischaemic strokes
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
 Entities: cerebral vasculitis, ischaemic strokes 
Answer:
 Disease: cerebral vasculitis; Disease: ischaemic strokes