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: roof is part of house

A: roof PartOf house
****
Q: paper can be characterized by light

A: paper HasProperty light
****
Q: half can be used as the opposite of whole

A:
half Antonym whole
****