story: [Anthony]'s grandfather, [Stanley], just had a birthday. [Anthony] and the rest of the family threw [Stanley] a big party. [James]'s wife [Sandra] had been feeling under the weather. [James] asked his son [Anthony] to go to the store to buy medicine.
query: ('Sandra', 'Stanley')
clean_story: [James]'s wife [Sandra] had been feeling under the weather. [James] asked his son [Anthony] to go to the store to buy medicine. [Anthony]'s grandfather, [Stanley], just had a birthday. [Anthony] and the rest of the family threw [Stanley] a big party.
proof_state: [{('Sandra', 'father-in-law', 'Stanley'): [('Sandra', 'husband', 'James'), ('James', 'father', 'Stanley')]}, {('James', 'father', 'Stanley'): [('James', 'son', 'Anthony'), ('Anthony', 'grandfather', 'Stanley')]}]