story: [Adam] helped his grandson [Brian] cut the lawn for [Brian]'s mother, [Melissa]. [Mack] and his brother [Brian] had a fight. They did n't speak to each other for a whole week afterwards.
query: ('Melissa', 'Adam')
clean_story: [Adam] helped his grandson [Brian] cut the lawn for [Brian]'s mother, [Melissa].
proof_state: [{('Melissa', 'father', 'Adam'): [('Melissa', 'son', 'Brian'), ('Brian', 'grandfather', 'Adam')]}]