93560
Ximelagatran was expected to replace warfarin and sometimes aspirin and heparin in many therapeutic settings , including deep venous thrombosis , prevention of secondary venous thromboembolism and complications of atrial fibrillation such as stroke .
 disease: atrial fibrillation
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
 Entities: atrial fibrillation 
Answer:
 disease: atrial fibrillation