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This is particularly important when building translation systems for new language pairs or new domains .
 translation systems, new language pairs; translation systems, new domains; new language pairs, new domains
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:
 translation systems, new language pairs; translation systems, new domains; new language pairs, new domains