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.

decide can be used as the opposite of know
decide Antonym know

child can be used as the opposite of grow_up
child Antonym grow_up

fog can be used with the same meaning of steam

fog Synonym steam