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.

north_america is part of earth
north_america PartOf earth

pupil can be used with the same meaning of student
pupil Synonym student

light can be used as the opposite of extinguish

light Antonym extinguish