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:
ship is a kind of vessel
answer:
ship IsA vessel


question:
husband can be used as the opposite of wife
answer:
husband Antonym wife


question:
side can be used as the opposite of center
answer:

side Antonym center