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: fight is a kind of conflict

Answer: fight IsA conflict


Question: mark can be used as the opposite of clean

Answer: mark Antonym clean


Question: arch is part of wall

Answer:
arch PartOf wall