3551
The paper experimentally demonstrates the effectiveness of discriminative patches as an unsupervised mid-level visual representation , suggesting that it could be used in place of visual words for many tasks .
 used for: discriminative patches, unsupervised mid-level visual representation; used for: it, discriminative patches
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: discriminative patches, unsupervised mid-level visual representation; used for: it, discriminative patches