story: [James] had taken his son [Bernard] to the batting cages to practice for his big game. While watching his son, [James] could n't help but think about when he used to go to the batting cages with his father [Adam]. [James] and his wife [Crystal] really wanted to have a child. Everything they did seemed to not work. They were losing hope.
query: ('Adam', 'Bernard')
clean_story: [James] had taken his son [Bernard] to the batting cages to practice for his big game. While watching his son, [James] could n't help but think about when he used to go to the batting cages with his father [Adam].
proof_state: [{('Adam', 'grandson', 'Bernard'): [('Adam', 'son', 'James'), ('James', 'son', 'Bernard')]}]