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.
--------
Question: cavity is part of body

Answer: cavity PartOf body


Question: priest is a kind of clergyman

Answer: priest IsA clergyman


Question: snow can be used as the opposite of fire

Answer:
snow Antonym fire