story: [Jeremy] brought his mother [Michelle] as a guest to the Christmas party. [Lisa], [Jeremy]'s sister, came as a guest of his friend. [Lisa] and her sister [Reta] are the only children in their family.
query: ('Reta', 'Michelle')
clean_story: [Lisa] and her sister [Reta] are the only children in their family. [Jeremy] brought his mother [Michelle] as a guest to the Christmas party. [Lisa], [Jeremy]'s sister, came as a guest of his friend.
proof_state: [{('Reta', 'mother', 'Michelle'): [('Reta', 'brother', 'Jeremy'), ('Jeremy', 'mother', 'Michelle')]}, {('Reta', 'brother', 'Jeremy'): [('Reta', 'sister', 'Lisa'), ('Lisa', 'brother', 'Jeremy')]}]