instruction:
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:
sleep is a kind of relax
answer:
sleep IsA relax


question:
copper is a kind of mineral
answer:
copper IsA mineral


question:
knife can be characterized by dull
answer:

knife HasProperty dull