TASK DEFINITION: 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.
PROBLEM: chair can be used as the opposite of sofa

SOLUTION: chair Antonym sofa

PROBLEM: minister is a kind of clergyman

SOLUTION: minister IsA clergyman

PROBLEM: happy can be used as the opposite of unhappy

SOLUTION:
happy Antonym unhappy