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We tested the clustering and filtering processes on electronic newsgroup discussions , and evaluated their performance by means of two experiments : coarse-level clustering simple information retrieval .
 evaluate for: electronic newsgroup discussions, clustering and filtering processes; evaluate for: experiments, clustering and filtering processes; evaluate for: experiments, clustering and filtering processes; hyponym of: coarse-level clustering, experiments; hyponym of: information retrieval, experiments
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:  electronic newsgroup discussions, clustering and filtering processes; experiments, clustering and filtering processes; experiments, clustering and filtering processes; coarse-level clustering, experiments; information retrieval, experiments 
Answer:
 evaluate for: electronic newsgroup discussions, clustering and filtering processes; evaluate for: experiments, clustering and filtering processes; evaluate for: experiments, clustering and filtering processes; hyponym of: coarse-level clustering, experiments; hyponym of: information retrieval, experiments