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: inferior can be used as the opposite of superior

Answer: inferior Antonym superior


Question: affair can be used as the opposite of marriage

Answer: affair Antonym marriage


Question: light is a kind of energy

Answer:
light IsA energy