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the nuclear hormone receptor superfamily consists of structurally related , ligand-dependent transcription factors and a large number of orphan receptors for which the ligand has not yet been identified .
 component whole: superfamily, factors
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: component whole, NA, instrument agency, member collection, cause effect, entity destination, content container, message topic, product producer, entity origin 
Text: {0} 
 Entity Pairs:  superfamily, factors 
Answer:
 component whole: superfamily, factors