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In morphology and syntax , a " clitic " ( , backformed from Greek " leaning " or " enclitic " ) is a morpheme that has syntactic characteristics of a word , but depends phonologically on another word or phrase .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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