1808
PURPOSE : To determine the benefits and harms of taking aspirin for the primary prevention of myocardial infarctions , strokes , and death .
 Chemical: aspirin; Disease: myocardial infarctions; Disease: strokes
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Chemical: aspirin; Disease: myocardial infarctions; Disease: strokes