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.

Q: begin can be used as the opposite of stop

A: begin Antonym stop
****
Q: mark can be used as the opposite of clean

A: mark Antonym clean
****
Q: grass is a kind of cover

A:
grass IsA cover
****