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.
--------
Question: car is made of metal

Answer: car MadeOf metal


Question: crystal can be characterized by clear

Answer: crystal HasProperty clear


Question: customer can be used as the opposite of worker

Answer:
customer Antonym worker