story: [Adam] loves his daughter [Melissa]. [Adam] took his grandson [Edward] to the lake so they could feed the ducks. [Edward] and his brother [Brian] went to the football game together.
query: ('Adam', 'Brian')
clean_story: [Adam] took his grandson [Edward] to the lake so they could feed the ducks. [Edward] and his brother [Brian] went to the football game together.
proof_state: [{('Adam', 'grandson', 'Brian'): [('Adam', 'grandson', 'Edward'), ('Edward', 'brother', 'Brian')]}]