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: orange is a kind of food

Answer: orange IsA food


Question: salt_water is a kind of water

Answer: salt_water IsA water


Question: fly can be used as the opposite of walk

Answer:
fly Antonym walk