1414
Cerebral vasculitis associated with amphetamine abuse is well documented , and in rare cases ischaemic stroke has been reported after methylphenidate intake in children .
 Disease: Cerebral vasculitis; Disease: amphetamine abuse; Disease: ischaemic stroke; Chemical: methylphenidate
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, amphetamine abuse, ischaemic stroke, methylphenidate 
Answer:
 Disease: Cerebral vasculitis; Disease: amphetamine abuse; Disease: ischaemic stroke; Chemical: methylphenidate