1276
It is suggested that the fatal stroke may have resulted from arterial spasm caused by ergotamine overdosage and possibly complicated by thrombosis .
 adverse effect: arterial spasm, ergotamine; adverse effect: fatal stroke, ergotamine
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:  arterial spasm, ergotamine; fatal stroke, ergotamine 
Answer:
 adverse effect: arterial spasm, ergotamine; adverse effect: fatal stroke, ergotamine