story: [Valerie] and [Sandra] are not just sisters, but best friends. [Valerie] hopes that her daughters, [Annie] and [Venita] are the same way.
query: ('Sandra', 'Venita')
clean_story: [Valerie] and [Sandra] are not just sisters, but best friends. [Valerie] hopes that her daughters, [Annie] and [Venita] are the same way.
proof_state: [{('Sandra', 'niece', 'Venita'): [('Sandra', 'sister', 'Valerie'), ('Valerie', 'daughter', 'Venita')]}, {('Valerie', 'daughter', 'Venita'): [('Valerie', 'daughter', 'Annie'), ('Annie', 'sister', 'Venita')]}]