story: [Marissa] asked her mother, [Patricia], what they were going to have for lunch. [Clarence]'s mother, [Elizabeth], was disappointed that he failed his math class [Marissa] took her sister, [Elizabeth], out to dinner for her birthday.
clean_story: [Clarence]'s mother, [Elizabeth], was disappointed that he failed his math class [Marissa] took her sister, [Elizabeth], out to dinner for her birthday. [Marissa] asked her mother, [Patricia], what they were going to have for lunch.
proof_state: [{('Clarence', 'grandmother', 'Patricia'): [('Clarence', 'mother', 'Elizabeth'), ('Elizabeth', 'mother', 'Patricia')]}, {('Elizabeth', 'mother', 'Patricia'): [('Elizabeth', 'sister', 'Marissa'), ('Marissa', 'mother', 'Patricia')]}]