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:
Iron is a kind of gray
answer:
iron IsA gray


question:
hide can be used as the opposite of see
answer:
hide Antonym see


question:
big can be used as the opposite of small
answer:

big Antonym small