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We demonstrate that for certain field structured extraction tasks , such as classified advertisements and bibliographic citations , small amounts of prior knowledge can be used to learn effective models in a primarily unsupervised fashion .
 hyponym of: classified advertisements, field structured extraction tasks; conjunction: classified advertisements, bibliographic citations; hyponym of: bibliographic citations, field structured extraction tasks; used for: prior knowledge, field structured extraction tasks
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: classified advertisements, field structured extraction tasks; conjunction: classified advertisements, bibliographic citations; hyponym of: bibliographic citations, field structured extraction tasks; used for: prior knowledge, field structured extraction tasks