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.
--------
Question: anger can be used as the opposite of happiness

Answer: anger Antonym happiness


Question: Solution is a kind of success

Answer: solution IsA success


Question: dark can be used as the opposite of illuminate

Answer:
dark Antonym illuminate