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: patient is a kind of person

Answer: patient IsA person


Question: head is a kind of top

Answer: head IsA top


Question: den is a kind of build

Answer:
den IsA build