story: [Johanna] and her sister [Marian] went to the mall. While at the mall [Johanna] found the perfect Mother's Day gift for her mother [Donna]. [Marian]'s son [Joseph] is turning nine today, so she is throwing him a party.
clean_story: [Marian]'s son [Joseph] is turning nine today, so she is throwing him a party. [Johanna] and her sister [Marian] went to the mall. While at the mall [Johanna] found the perfect Mother's Day gift for her mother [Donna].
proof_state: [{('Joseph', 'grandmother', 'Donna'): [('Joseph', 'mother', 'Marian'), ('Marian', 'mother', 'Donna')]}, {('Marian', 'mother', 'Donna'): [('Marian', 'sister', 'Johanna'), ('Johanna', 'mother', 'Donna')]}]