story: [Melissa] dotes on her son [Mack]. Because of this, [Mack] is pretty spoiled. [Adam] took his daughter [Melissa] out for lunch one day. [Melissa] asked if she could bring her son [Brian] and [Adam] said okay.
query: ('Adam', 'Brian')
clean_story: [Adam] took his daughter [Melissa] out for lunch one day. [Melissa] asked if she could bring her son [Brian] and [Adam] said okay.
proof_state: [{('Adam', 'grandson', 'Brian'): [('Adam', 'daughter', 'Melissa'), ('Melissa', 'son', 'Brian')]}]