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Faster relief of headache was the most important reason for preference , cited by 67 . 3 % of patients preferring rizatriptan and 54 . 2 % of patients who preferred ergotamine / caffeine .
 Disease: headache; Chemical: rizatriptan; Chemical: ergotamine; Chemical: caffeine
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: headache, rizatriptan, ergotamine, caffeine 
Answer:
 Disease: headache; Chemical: rizatriptan; Chemical: ergotamine; Chemical: caffeine