TASK DEFINITION: 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.
PROBLEM: roof is part of house

SOLUTION: roof PartOf house

PROBLEM: arithmetic is a kind of math

SOLUTION: arithmetic IsA math

PROBLEM: lake can have or can contain water

SOLUTION:
lake HasA water