story: [Myrna] treasures her son, [William]. She recently attended his high school graduation and it was the proudest day of her life. [William] and his brother [Jeffrey] played at jacks.
query: ('Myrna', 'Jeffrey')
clean_story: [Myrna] treasures her son, [William]. She recently attended his high school graduation and it was the proudest day of her life. [William] and his brother [Jeffrey] played at jacks.
proof_state: [{('Myrna', 'son', 'Jeffrey'): [('Myrna', 'son', 'William'), ('William', 'brother', 'Jeffrey')]}]