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: Head is a kind of object

SOLUTION: head IsA object

PROBLEM: light is made of energy

SOLUTION: light MadeOf energy

PROBLEM: father can be used as the opposite of son

SOLUTION:
father Antonym son