story: [Stanley] called his grandchildren [Annie] and [Elizabeth]. He asked how their father [Alan] was doing.
query: ('Alan', 'Stanley')
clean_story: [Stanley] called his grandchildren [Annie] and [Elizabeth]. He asked how their father [Alan] was doing.
proof_state: [{('Alan', 'father', 'Stanley'): [('Alan', 'daughter', 'Elizabeth'), ('Elizabeth', 'grandfather', 'Stanley')]}, {('Elizabeth', 'grandfather', 'Stanley'): [('Elizabeth', 'sister', 'Annie'), ('Annie', 'grandfather', 'Stanley')]}]