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.

mind can be used as the opposite of matter
mind Antonym matter

staff is a member of school
staff MemberOf school

rack is true then also stretch is true

rack Entails stretch