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: professor is a kind of job

Answer: professor IsA job


Question: hate can be used as the opposite of love

Answer: hate Antonym love


Question: sex is a kind of class

Answer:
sex IsA class