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: police is a kind of human

Answer: police IsA human


Question: car is made of metal

Answer: car MadeOf metal


Question: den can have or can contain desk

Answer:
den HasA desk