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.

sign can be used with the same meaning of mark
sign Synonym mark

benefit can be used with the same meaning of help
benefit Synonym help

bat is a kind of club

bat IsA club