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:
benefit is a kind of payment
answer:
benefit IsA payment


question:
cavity is part of body
answer:
cavity PartOf body


question:
smile is a kind of fun
answer:

smile IsA fun