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.

arithmetic is a kind of math
arithmetic IsA math

spirit can be used as the opposite of material
spirit Antonym material

chair can be used with the same meaning of stool

chair Synonym stool