1555
in fact , a protocol copes even with byzantine failures by using randomization .
 instrument agency: protocol, randomization
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: component whole, NA, instrument agency, member collection, cause effect, entity destination, content container, message topic, product producer, entity origin 
Text: {0} 
 Entity Pairs:  protocol, randomization 
Answer:
 instrument agency: protocol, randomization