story: [Gabrielle]'s son [Christopher] called her on the phone to tell her that his daughter [Anna] was born.
query: ('Anna', 'Gabrielle')
clean_story: [Gabrielle]'s son [Christopher] called her on the phone to tell her that his daughter [Anna] was born.
proof_state: [{('Anna', 'grandmother', 'Gabrielle'): [('Anna', 'father', 'Christopher'), ('Christopher', 'mother', 'Gabrielle')]}]