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:
oxygen is part of atmosphere
answer:
oxygen PartOf atmosphere


question:
mailbox can be characterized by open
answer:

mailbox HasProperty open