3012
Early onset migraine attacks were induced by nitroglycerin in seven out of 10 patients versus no patient in the placebo group .
 Disease: migraine; Chemical: nitroglycerin
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, nitroglycerin 
Answer:
 Disease: migraine; Chemical: nitroglycerin