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.
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Question: rubber is made of plant

Answer: rubber MadeOf plant


Question: paper can be characterized by light

Answer: paper HasProperty light


Question: problem can be used as the opposite of good

Answer:
problem Antonym good