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In this paper , we extend traditional linear FKT to enable it to work in multi-class problem and also in higher dimensional -LRB- kernel -RRB- subspaces and therefore provide enhanced discrimination ability .
 linear FKT, it; it, multi-class problem; it, higher dimensional -LRB- kernel -RRB- subspaces; it, discrimination ability; multi-class problem, higher dimensional -LRB- kernel -RRB- subspaces
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:
 linear FKT, it; it, multi-class problem; it, higher dimensional -LRB- kernel -RRB- subspaces; it, discrimination ability; multi-class problem, higher dimensional -LRB- kernel -RRB- subspaces