story: [Dawn] and her son-in-law [Harold] went out for dinner together. It was Mother's Day, and [Harold] thought [Dawn] deserved a treat. [Elizabeth] and her son, [Leroy], went to the park, and had a wonderful time. [Antonio] took his son [James] out for ice cream. [James] and his son [Leroy] went to the cinema together.
clean_story: [Elizabeth] and her son, [Leroy], went to the park, and had a wonderful time. [James] and his son [Leroy] went to the cinema together. [Antonio] took his son [James] out for ice cream.
proof_state: [{('Elizabeth', 'father', 'Antonio'): [('Elizabeth', 'son', 'Leroy'), ('Leroy', 'grandfather', 'Antonio')]}, {('Leroy', 'grandfather', 'Antonio'): [('Leroy', 'father', 'James'), ('James', 'father', 'Antonio')]}]