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For categorization task , positive feature vectors and negative feature vectors are used cooperatively to construct generic , indicative summaries .
 positive feature vectors, categorization task; positive feature vectors, negative feature vectors; positive feature vectors, generic , indicative summaries; negative feature vectors, categorization task; negative feature vectors, generic , indicative summaries
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:
 positive feature vectors, categorization task; positive feature vectors, negative feature vectors; positive feature vectors, generic , indicative summaries; negative feature vectors, categorization task; negative feature vectors, generic , indicative summaries