story: [Gabrielle] went shopping with her son. His name is [Christopher]. [Christopher] was sitting in the stands as he watched his daughter [Anna] walk across the aisle and get her college diploma.
query: ('Anna', 'Gabrielle')
clean_story: [Christopher] was sitting in the stands as he watched his daughter [Anna] walk across the aisle and get her college diploma. [Gabrielle] went shopping with her son. His name is [Christopher].
proof_state: [{('Anna', 'grandmother', 'Gabrielle'): [('Anna', 'father', 'Christopher'), ('Christopher', 'mother', 'Gabrielle')]}]