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:
car is made of metal
answer:
car MadeOf metal


question:
robot is a kind of worker
answer:
robot IsA worker


question:
north_carolina is part of south
answer:

north_carolina PartOf south