story: [Sandra]'s son, [James], has a son named [Errol]. [Sandra] loved to care for her newborn child [Alfred]. [Errol] and his sister [Jeannette] walked to school together every day, since they only lived two blocks away from the school.
query: ('Sandra', 'Jeannette')
clean_story: [Sandra]'s son, [James], has a son named [Errol]. [Errol] and his sister [Jeannette] walked to school together every day, since they only lived two blocks away from the school.
proof_state: [{('Sandra', 'granddaughter', 'Jeannette'): [('Sandra', 'son', 'James'), ('James', 'daughter', 'Jeannette')]}, {('James', 'daughter', 'Jeannette'): [('James', 'son', 'Errol'), ('Errol', 'sister', 'Jeannette')]}]