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First , beyond the aging dictionaries , each subject may have extra personalized facial characteristics , e.g. mole , which are invariant in the aging process .
 mole, personalized facial characteristics
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:
 mole, personalized facial characteristics