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.

Example Input: sheet_of_paper is part of letter
Example Output: sheet_of_paper PartOf letter

Example Input: Iron is a kind of gray
Example Output: iron IsA gray

Example Input: pet is a kind of animal
Example Output:
pet IsA animal