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:
sheet_of_paper is part of letter
answer:
sheet_of_paper PartOf letter


question:
look can be used with the same meaning of see
answer:
look Synonym see


question:
branch can be used as the opposite of join
answer:

branch Antonym join