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:
run is a kind of function
answer:
run IsA function


question:
advance can be used as the opposite of fall
answer:
advance Antonym fall


question:
earth can be used as the opposite of sun
answer:

earth Antonym sun