story: [Kerri] is unhappy with her husband, [Brian]. She says [Brian] spends too much time with his father, [Preston], and neglects her. [Brian] and his sister [Karen] are going for a walk.
query: ('Kerri', 'Preston')
clean_story: [Kerri] is unhappy with her husband, [Brian]. She says [Brian] spends too much time with his father, [Preston], and neglects her.
proof_state: [{('Kerri', 'father-in-law', 'Preston'): [('Kerri', 'husband', 'Brian'), ('Brian', 'father', 'Preston')]}]