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: key is part of door

Answer: key PartOf door


Question: bottle can have or can contain beer

Answer: bottle HasA beer


Question: practice can be used as the opposite of theory

Answer:
practice Antonym theory