story: [Joe]'s dad [Dwight] is the CEO of the company. [Dwight]'s father, [Jason], recently had a falling out with each other.
query: ('Joe', 'Jason')
clean_story: [Joe]'s dad [Dwight] is the CEO of the company. [Dwight]'s father, [Jason], recently had a falling out with each other.
proof_state: [{('Joe', 'grandfather', 'Jason'): [('Joe', 'father', 'Dwight'), ('Dwight', 'father', 'Jason')]}]