story: [Marian] asked her mother, [Donna], what they were going to have for lunch. [Kari] asked her mother, [Kathleen], what they were going to have for lunch. [Marian] took her sister, [Kathleen], out to dinner for her birthday.
clean_story: [Kari] asked her mother, [Kathleen], what they were going to have for lunch. [Marian] took her sister, [Kathleen], out to dinner for her birthday. [Marian] asked her mother, [Donna], what they were going to have for lunch.
proof_state: [{('Kari', 'grandmother', 'Donna'): [('Kari', 'mother', 'Kathleen'), ('Kathleen', 'mother', 'Donna')]}, {('Kathleen', 'mother', 'Donna'): [('Kathleen', 'sister', 'Marian'), ('Marian', 'mother', 'Donna')]}]