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: dream is part of sleep

Answer: dream PartOf sleep


Question: depression can be used as the opposite of happiness

Answer: depression Antonym happiness


Question: Listen is a kind of concentrate

Answer:
listen IsA concentrate