story: [Emmanuel] and his grandfather, [Stanley], watched TV whilst [Emmanuel]'s father. [Alan], made them pizza. [Stanley] 'daughter, [Marian], joined them as they ate pizza.
query: ('Alan', 'Marian')
clean_story: [Emmanuel] and his grandfather, [Stanley], watched TV whilst [Emmanuel]'s father. [Alan], made them pizza. [Stanley] 'daughter, [Marian], joined them as they ate pizza.
proof_state: [{('Alan', 'sister', 'Marian'): [('Alan', 'father', 'Stanley'), ('Stanley', 'daughter', 'Marian')]}, {('Alan', 'father', 'Stanley'): [('Alan', 'son', 'Emmanuel'), ('Emmanuel', 'grandfather', 'Stanley')]}]