story: [Gabrielle] loves seeing her son [Michael] on Mother's Day. [Michael] is bringing his son [Donald] this year.
query: ('Donald', 'Gabrielle')
clean_story: [Gabrielle] loves seeing her son [Michael] on Mother's Day. [Michael] is bringing his son [Donald] this year.
proof_state: [{('Donald', 'grandmother', 'Gabrielle'): [('Donald', 'father', 'Michael'), ('Michael', 'mother', 'Gabrielle')]}]