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.
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Question: robot is a kind of worker

Answer: robot IsA worker


Question: north can be used as the opposite of south

Answer: north Antonym south


Question: ordinary can be used as the opposite of strange

Answer:
ordinary Antonym strange