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.

fever can be used as the opposite of cold
fever Antonym cold

friend can be used with the same meaning of lover
friend Synonym lover

hollow can be used as the opposite of solid

hollow Antonym solid