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: bottle can have or can contain beer
Example Output: bottle HasA beer

Example Input: atom is part of molecule
Example Output:
atom PartOf molecule