story: [Johanna]'s mother, [Donna], thought [Johanna] should wear a black dress. [Johanna]'s sister [Kathleen], however, thought she would look better in a blue one. [Edward] meet with his mom, [Kathleen], for dinner at her favorite restaurant.
clean_story: [Edward] meet with his mom, [Kathleen], for dinner at her favorite restaurant. [Johanna]'s mother, [Donna], thought [Johanna] should wear a black dress. [Johanna]'s sister [Kathleen], however, thought she would look better in a blue one.
proof_state: [{('Edward', 'grandmother', 'Donna'): [('Edward', 'mother', 'Kathleen'), ('Kathleen', 'mother', 'Donna')]}, {('Kathleen', 'mother', 'Donna'): [('Kathleen', 'sister', 'Johanna'), ('Johanna', 'mother', 'Donna')]}]