28403
Although reliable recommendations are available for anticoagulation reversal in patients treated with warfarin , guidance on the reversal of dabigatran and rivaroxaban is varied and equivocal .
 Chemical: warfarin; Chemical: dabigatran; Chemical: rivaroxaban
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, dabigatran, rivaroxaban 
Answer:
 Chemical: warfarin; Chemical: dabigatran; Chemical: rivaroxaban