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.

plain can be used as the opposite of complex
plain Antonym complex

house can have or can contain door
house HasA door

Little can be used with the same meaning of small

little Synonym small