2987
A 65-year - old man on warfarin therapy with a sudden spontaneous onset of sub - conjunctival haematoma associated with bloody tears was assessed in the clinic following a referral from an optometrist .
 adverse effect: bloody tears, warfarin; adverse effect: sub - conjunctival haematoma, 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:  bloody tears, warfarin; sub - conjunctival haematoma, warfarin 
Answer:
 adverse effect: bloody tears, warfarin; adverse effect: sub - conjunctival haematoma, warfarin