6788
Next , the resulting regions are clustered to obtain a codebook of region types , and two models are constructed for scene representation : a '' bag of individual regions '' representation where each region is regarded separately , and a '' bag of region pairs '' representation where regions with particular spatial relationships are considered together .
 used for: models, scene representation
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:  models, scene representation 
Answer:
 used for: models, scene representation