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This paper proposes a practical approach employing n-gram models and error-correction rules for Thai key prediction and Thai-English language identification .
 used for: approach, Thai key prediction; used for: approach, Thai-English language identification; used for: n-gram models, approach; conjunction: n-gram models, error-correction rules; used for: error-correction rules, approach; conjunction: Thai key prediction, Thai-English language identification
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:  approach, Thai key prediction; approach, Thai-English language identification; n-gram models, approach; n-gram models, error-correction rules; error-correction rules, approach; Thai key prediction, Thai-English language identification 
Answer:
 used for: approach, Thai key prediction; used for: approach, Thai-English language identification; used for: n-gram models, approach; conjunction: n-gram models, error-correction rules; used for: error-correction rules, approach; conjunction: Thai key prediction, Thai-English language identification