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.

[EX Q]: sheet_of_paper is part of letter
[EX A]: sheet_of_paper PartOf letter

[EX Q]: bed is a kind of surface
[EX A]: bed IsA surface

[EX Q]: gray is a kind of color
[EX A]:
gray IsA color