2972
Despite the low dosage of warfarin , international normalized ratio ( INR ) was markedly elevated from 1.15 to 11.28 for only 4 days , and bleeding symptoms concurrently developed .
 adverse effect: bleeding symptoms, warfarin
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: adverse effect 
Text: {0} 
 Entity Pairs:  bleeding symptoms, warfarin 
Answer:
 adverse effect: bleeding symptoms, warfarin