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: keep is part of castle

Answer: keep PartOf castle


Question: speak is a kind of communicate

Answer: speak IsA communicate


Question: pretend can be used with the same meaning of act

Answer:
pretend Synonym act