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Our approach can handle the high intra-class variability and large proportion of unrelated images returned by search engines .
 used for: approach, intra-class variability; used for: approach, unrelated images; conjunction: intra-class variability, unrelated images; used for: search engines, unrelated images
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: conjunction, feature of, hyponym of, used for, part of, compare, evaluate for 
Text: {0} 
 Entity Pairs:  approach, intra-class variability; approach, unrelated images; intra-class variability, unrelated images; search engines, unrelated images 
Answer:
 used for: approach, intra-class variability; used for: approach, unrelated images; conjunction: intra-class variability, unrelated images; used for: search engines, unrelated images