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In the context of feature-based matching , SIFT and its variants have long excelled in a wide array of applications .
 SIFT, feature-based matching
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:
 SIFT, feature-based matching