story: [Rudolph] was delighted to watch his son [Alfred] steal third base in the Championship baseball game. [Mark] took his wife [Carol] to Hawaii. [Mark]'s dad [Rudolph] was worried because he had no idea where they were. [Carol] likes taking her son [David] to school.
query: ('Rudolph', 'David')
clean_story: [Mark] took his wife [Carol] to Hawaii. [Mark]'s dad [Rudolph] was worried because he had no idea where they were. [Carol] likes taking her son [David] to school.
proof_state: [{('Rudolph', 'grandson', 'David'): [('Rudolph', 'son', 'Mark'), ('Mark', 'son', 'David')]}, {('Mark', 'son', 'David'): [('Mark', 'wife', 'Carol'), ('Carol', 'son', 'David')]}]