story: [Gabrielle] made tacos with her grandson [Jeffrey]. [Jeffrey]'s brother [William] watched the process.
query: ('Gabrielle', 'William')
clean_story: [Gabrielle] made tacos with her grandson [Jeffrey]. [Jeffrey]'s brother [William] watched the process.
proof_state: [{('Gabrielle', 'grandson', 'William'): [('Gabrielle', 'grandson', 'Jeffrey'), ('Jeffrey', 'brother', 'William')]}]
edge_types: ['grandson', 'brother']