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Topical blog post retrieval is the task of ranking blog posts with respect to their relevance for a given topic .
 hyponym of: Topical blog post retrieval, ranking blog posts; feature of: relevance, blog posts
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:
 hyponym of: Topical blog post retrieval, ranking blog posts; feature of: relevance, blog posts