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: angel is a kind of person

Answer: angel IsA person


Question: matter is made of element

Answer: matter MadeOf element


Question: electron can be used as the opposite of proton

Answer:
electron Antonym proton