673
Recurrence rates were 31 . 4 % with rizatriptan and 15 . 3 % with ergotamine / caffeine .
 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: rizatriptan, ergotamine, caffeine 
Answer:
 Chemical: rizatriptan; Chemical: ergotamine; Chemical: caffeine