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: sheet_of_paper is part of letter

Answer: sheet_of_paper PartOf letter


Question: airplane is a kind of transportation

Answer: airplane IsA transportation


Question: family is a member of order

Answer:
family MemberOf order