story: [William] and [April] got married in 2017 [April] went to her son [Kevin]'s House [Kevin] and his brother [Eldon] went to the park to play basketball. [Eldon]'s grandmother, [Nettie], was eager to spend a weekend with all of her grandchildren. [April] and her son, [Eldon], went to the park, and had a wonderful time.
clean_story: [William] and [April] got married in 2017 [April] and her son, [Eldon], went to the park, and had a wonderful time. [Eldon]'s grandmother, [Nettie], was eager to spend a weekend with all of her grandchildren.
proof_state: [{('William', 'mother-in-law', 'Nettie'): [('William', 'wife', 'April'), ('April', 'mother', 'Nettie')]}, {('April', 'mother', 'Nettie'): [('April', 'son', 'Eldon'), ('Eldon', 'grandmother', 'Nettie')]}]