story: [Jason] and his brother [Michael] were shopping for a gift for their father [Mark]. [Jason]'s mother [Carol] had given him a list of things they might consider as gifts. [Richard] loved his mother, [Carol].
query: ('Carol', 'Michael')
clean_story: [Jason] and his brother [Michael] were shopping for a gift for their father [Mark]. [Jason]'s mother [Carol] had given him a list of things they might consider as gifts.
proof_state: [{('Carol', 'son', 'Michael'): [('Carol', 'son', 'Jason'), ('Jason', 'brother', 'Michael')]}, {('Jason', 'brother', 'Michael'): [('Jason', 'father', 'Mark'), ('Mark', 'son', 'Michael')]}]