story: [Marian] and her father [Stanley] went for a hike in the mountains. [Michael]'s sister [Marian] and son [Jeremy] baked him a pretty birthday cake together.
query: ('Jeremy', 'Stanley')
clean_story: [Michael]'s sister [Marian] and son [Jeremy] baked him a pretty birthday cake together. [Marian] and her father [Stanley] went for a hike in the mountains.
proof_state: [{('Jeremy', 'grandfather', 'Stanley'): [('Jeremy', 'father', 'Michael'), ('Michael', 'father', 'Stanley')]}, {('Michael', 'father', 'Stanley'): [('Michael', 'sister', 'Marian'), ('Marian', 'father', 'Stanley')]}]