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By inferring per-vertex normals at sub-voxel precision on the fly , we can achieve interpolative shading .
 used for: per-vertex normals, interpolative shading; feature of: sub-voxel precision, per-vertex normals
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "relation1: word1, word2; relation2: word3, word4". 
Option: conjunction, feature of, hyponym of, used for, part of, compare, evaluate for 
Text: {0} 
Answer:
 used for: per-vertex normals, interpolative shading; feature of: sub-voxel precision, per-vertex normals