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: begin can be used as the opposite of stop

Answer: begin Antonym stop


Question: kitchen can have or can contain sink

Answer: kitchen HasA sink


Question: Smoke can be used as the opposite of clear

Answer:
smoke Antonym clear