story: [Maria] is taking a trip to see her sister [Sabrina]. [Paul] visited his daughter, [Maria], for Christmas this year. [Paul] is a factory worker. He has a wonderful sister by the name of [Melissa].
query: ('Maria', 'Melissa')
clean_story: [Paul] visited his daughter, [Maria], for Christmas this year. [Paul] is a factory worker. He has a wonderful sister by the name of [Melissa].
proof_state: [{('Maria', 'aunt', 'Melissa'): [('Maria', 'father', 'Paul'), ('Paul', 'sister', 'Melissa')]}]