story: [Jason] went on a roadtrip with his youngest child, [Christopher]. [Christopher]'s son [Alfred] entered rehab for the ninth time at the age of thirty.
query: ('Jason', 'Alfred')
clean_story: [Jason] went on a roadtrip with his youngest child, [Christopher]. [Christopher]'s son [Alfred] entered rehab for the ninth time at the age of thirty.
proof_state: [{('Jason', 'grandson', 'Alfred'): [('Jason', 'son', 'Christopher'), ('Christopher', 'son', 'Alfred')]}]