story: [Sandra] is looking for a good gift for her sister [Michelle]. [May] was talking about food with her sister [Angela]. [Michelle]'s daughter, [May], asked her mom to read her a story.
query: ('Sandra', 'Angela')
clean_story: [Sandra] is looking for a good gift for her sister [Michelle]. [Michelle]'s daughter, [May], asked her mom to read her a story. [May] was talking about food with her sister [Angela].
proof_state: [{('Sandra', 'niece', 'Angela'): [('Sandra', 'sister', 'Michelle'), ('Michelle', 'daughter', 'Angela')]}, {('Michelle', 'daughter', 'Angela'): [('Michelle', 'daughter', 'May'), ('May', 'sister', 'Angela')]}]