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: keep is part of castle

SOLUTION: keep PartOf castle

PROBLEM: lot can be used with the same meaning of set

SOLUTION: lot Synonym set

PROBLEM: Noise is a kind of sound

SOLUTION:
noise IsA sound