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:
pain can be used as the opposite of pleasure
answer:
pain Antonym pleasure


question:
i can be used as the opposite of you
answer:
i Antonym you


question:
sell is a kind of commerce
answer:

sell IsA commerce