story: [Gabrielle] and her grandson [William] went to the zoo. [William] wanted to see the lions. [William] was having an argument with her sister, [Lucille].
query: ('Gabrielle', 'Lucille')
clean_story: [Gabrielle] and her grandson [William] went to the zoo. [William] wanted to see the lions. [William] was having an argument with her sister, [Lucille].
proof_state: [{('Gabrielle', 'granddaughter', 'Lucille'): [('Gabrielle', 'grandson', 'William'), ('William', 'sister', 'Lucille')]}]