5558
Finally , we apply Ant-Q to some difficult asymmetric TSP 's obtaining very good results : Ant-Q was able to find solutions of a quality which usually can be found only by very specialized algorithms .
 Ant-Q, asymmetric TSP
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; word3, word4". 
Option: conjunction, feature of, hyponym of, used for, part of, compare, evaluate for 
Text: {0} 
Answer:
 Ant-Q, asymmetric TSP