Given a phrase describing the relationship between two words, extract the words and the lexical relationship between them. The relation has to be of the type 'MemberOf', 'MadeOf', 'Synonym', 'Entails', 'HasA', 'HasProperty', 'PartOf', 'Antonym' or 'IsA'. The output should have the format: word1 relation word2.
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Question: run is a kind of function

Answer: run IsA function


Question: mark can be used as the opposite of clean

Answer: mark Antonym clean


Question: knife can be characterized by useful

Answer:
knife HasProperty useful