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: protect can be used as the opposite of injure

Answer: protect Antonym injure


Question: book is a kind of object

Answer: book IsA object


Question: free can be used as the opposite of restrict

Answer:
free Antonym restrict