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: clean can be used as the opposite of dirty

SOLUTION: clean Antonym dirty

PROBLEM: read can be used as the opposite of write

SOLUTION: read Antonym write

PROBLEM: book is a kind of knowledge

SOLUTION:
book IsA knowledge