story: [Vincent] and [Theresa], a married couple, took [Theresa]'s mother [Dorothy] out to lunch for her birthday.
query: ('Dorothy', 'Vincent')
clean_story: [Vincent] and [Theresa], a married couple, took [Theresa]'s mother [Dorothy] out to lunch for her birthday.
proof_state: [{('Dorothy', 'son-in-law', 'Vincent'): [('Dorothy', 'daughter', 'Theresa'), ('Theresa', 'husband', 'Vincent')]}]