story: [Ronald] bought gifts for his lovely sister, [Leslie] [Marissa] is having dinner with her daughter, [Doris], and sister, [Elizabeth]. [Elizabeth]'s mother, [Patricia], will be visiting them tonight, also.
clean_story: [Marissa] is having dinner with her daughter, [Doris], and sister, [Elizabeth]. [Elizabeth]'s mother, [Patricia], will be visiting them tonight, also.
proof_state: [{('Doris', 'grandmother', 'Patricia'): [('Doris', 'mother', 'Marissa'), ('Marissa', 'mother', 'Patricia')]}, {('Marissa', 'mother', 'Patricia'): [('Marissa', 'sister', 'Elizabeth'), ('Elizabeth', 'mother', 'Patricia')]}]