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: key is part of door

SOLUTION: key PartOf door

PROBLEM: leaf can be used as the opposite of stem

SOLUTION: leaf Antonym stem

PROBLEM: herd is a kind of move

SOLUTION:
herd IsA move