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: cavity is part of body

SOLUTION: cavity PartOf body

PROBLEM: pain can be used as the opposite of pleasure

SOLUTION: pain Antonym pleasure

PROBLEM: ball can be characterized by fun

SOLUTION:
ball HasProperty fun