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.

melt can be used as the opposite of solid
melt Antonym solid

book can have or can contain knowledge
book HasA knowledge

black can be used as the opposite of white

black Antonym white