story: [Jason]'s granddaughter, [Annette], asked him for help. She told him her brother [Robert] was missing, and she needed an adult to help find him.
query: ('Jason', 'Robert')
clean_story: [Jason]'s granddaughter, [Annette], asked him for help. She told him her brother [Robert] was missing, and she needed an adult to help find him.
proof_state: [{('Jason', 'grandson', 'Robert'): [('Jason', 'granddaughter', 'Annette'), ('Annette', 'brother', 'Robert')]}]