story: [Valerie] took her son [Clarence] to the park. [Clarence]'s father's name is [Alan]. [Valerie] just recently met her father, [Stanley]. They both love to fish and hunt.
query: ('Alan', 'Stanley')
clean_story: [Clarence]'s father's name is [Alan]. [Valerie] took her son [Clarence] to the park. [Valerie] just recently met her father, [Stanley]. They both love to fish and hunt.
proof_state: [{('Alan', 'father', 'Stanley'): [('Alan', 'son', 'Clarence'), ('Clarence', 'grandfather', 'Stanley')]}, {('Clarence', 'grandfather', 'Stanley'): [('Clarence', 'mother', 'Valerie'), ('Valerie', 'father', 'Stanley')]}]