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: light is a kind of wave

Answer: light IsA wave


Question: bird can have or can contain feather

Answer: bird HasA feather


Question: hear can be used as the opposite of talk

Answer:
hear Antonym talk