story: [Christopher]'s son, [William], was having trouble getting his remote control car to work. [Christopher]'s mother [Gabrielle] figured out that the battery needed to be replaced.
query: ('Gabrielle', 'William')
clean_story: [Christopher]'s son, [William], was having trouble getting his remote control car to work. [Christopher]'s mother [Gabrielle] figured out that the battery needed to be replaced.
proof_state: [{('Gabrielle', 'grandson', 'William'): [('Gabrielle', 'son', 'Christopher'), ('Christopher', 'son', 'William')]}]