5896
At variance with newer anticoagulant drugs , which showed a series of advantages as compared with the traditional warfarin treatment , newer antiplatelet drugs have only partially overcome these limitations .
 Chemical: warfarin
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: warfarin 
Answer:
 Chemical: warfarin