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The specific aim was to elucidate whether an aura and / or an attack of migraine without aura could be induced .
 Disease: migraine without aura
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: migraine without aura 
Answer:
 Disease: migraine without aura