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:
couch can be characterized by comfortable
answer:
couch HasProperty comfortable


question:
keep can be used with the same meaning of protect
answer:
keep Synonym protect


question:
ocean is a kind of sea
answer:

ocean IsA sea