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.

sleep can be used as the opposite of awaken
sleep Antonym awaken

key is part of keyboard
key PartOf keyboard

rule can be used as the opposite of subject

rule Antonym subject