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.

keep can be used with the same meaning of protect
keep Synonym protect

great can be used as the opposite of less
great Antonym less

material can be used as the opposite of abstract

material Antonym abstract