story: [Ashley] and her grandson [Jacob] went to the store to buy a birthday present for [Jacob]'s sister [Heidi].
query: ('Ashley', 'Heidi')
clean_story: [Ashley] and her grandson [Jacob] went to the store to buy a birthday present for [Jacob]'s sister [Heidi].
proof_state: [{('Ashley', 'granddaughter', 'Heidi'): [('Ashley', 'grandson', 'Jacob'), ('Jacob', 'sister', 'Heidi')]}]
edge_types: ['grandson', 'sister']