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The answering agents adopt fundamentally different strategies , one utilizing primarily knowledge-based mechanisms and the other adopting statistical techniques .
 used for: strategies, answering agents; hyponym of: one, strategies; used for: knowledge-based mechanisms, one; hyponym of: other, strategies; used for: statistical techniques, other
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:  strategies, answering agents; one, strategies; knowledge-based mechanisms, one; other, strategies; statistical techniques, other 
Answer:
 used for: strategies, answering agents; hyponym of: one, strategies; used for: knowledge-based mechanisms, one; hyponym of: other, strategies; used for: statistical techniques, other