story: [Robert] walked his daughter [Carly] down the aisle on her wedding day. [Carly]'s grandfather, [Paul], accompanied her to the basketball match [Carolina] and her son, [Michael], went to the park, and had a wonderful time. [Robert] was disappointed that his father, [Paul], would n't be at the play to see him perform. [Robert] and his son [Michael] went to the cinema together.
clean_story: [Carolina] and her son, [Michael], went to the park, and had a wonderful time. [Robert] and his son [Michael] went to the cinema together. [Robert] was disappointed that his father, [Paul], would n't be at the play to see him perform.
proof_state: [{('Carolina', 'father', 'Paul'): [('Carolina', 'son', 'Michael'), ('Michael', 'grandfather', 'Paul')]}, {('Michael', 'grandfather', 'Paul'): [('Michael', 'father', 'Robert'), ('Robert', 'father', 'Paul')]}]