1192
Two patients with imminent gangrene of the extremities caused by ergot - induced arteriospasm underwent mechanical dilatation of the arteries when conventional measures such as anticoagulation , vasodilation , and sympathetic blockade produced no improvement .
 adverse effect: arteriospasm, ergot; adverse effect: gangrene of the extremities, ergot
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:  arteriospasm, ergot; gangrene of the extremities, ergot 
Answer:
 adverse effect: arteriospasm, ergot; adverse effect: gangrene of the extremities, ergot