story: [Brian] and his sister [Karen] went to the movies to watch the newest superhero flick. [Brian] went golfing with his grandfather [Adam] and his mother [Melissa].
query: ('Melissa', 'Adam')
clean_story: [Brian] went golfing with his grandfather [Adam] and his mother [Melissa].
proof_state: [{('Melissa', 'father', 'Adam'): [('Melissa', 'son', 'Brian'), ('Brian', 'grandfather', 'Adam')]}]