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: arithmetic is a kind of math

SOLUTION: arithmetic IsA math

PROBLEM: crystal can be characterized by clear

SOLUTION: crystal HasProperty clear

PROBLEM: heart can be used with the same meaning of core

SOLUTION:
heart Synonym core