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.

happy can be used as the opposite of sad
happy Antonym sad

begin can be used as the opposite of stop
begin Antonym stop

eye is a kind of hole

eye IsA hole