3854
We develop several blur features modeled by image color , gradient , and spectrum information , and use feature parameter training to robustly classify blurred images .
 used for: image color, blur features; conjunction: image color, gradient; used for: gradient, blur features; conjunction: gradient, spectrum information; used for: spectrum information, blur features; used for: feature parameter training, blurred 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:  image color, blur features; image color, gradient; gradient, blur features; gradient, spectrum information; spectrum information, blur features; feature parameter training, blurred images 
Answer:
 used for: image color, blur features; conjunction: image color, gradient; used for: gradient, blur features; conjunction: gradient, spectrum information; used for: spectrum information, blur features; used for: feature parameter training, blurred images