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: happy can be used as the opposite of sad

Answer: happy Antonym sad


Question: grip can be used as the opposite of blade

Answer: grip Antonym blade


Question: earth can have or can contain moon

Answer:
earth HasA moon