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To make the annotation less subjective and more reliable , recent studies employ crowdsourcing tools to collect pairwise comparisons -- relying on majority voting to prune the annotation outliers/errors .
 crowdsourcing tools, pairwise comparisons; majority voting, crowdsourcing tools; majority voting, annotation outliers/errors
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:
 crowdsourcing tools, pairwise comparisons; majority voting, crowdsourcing tools; majority voting, annotation outliers/errors