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: Iron is a kind of gray

Answer: iron IsA gray


Question: edge can be used with the same meaning of hem

Answer: edge Synonym hem


Question: room can be used as the opposite of outside

Answer:
room Antonym outside