story: [Paul] found his daughter, [Maria], drunk and alone on the bathroom floor. [Paul] and his son [Robert] went to the skating rink. [Leo] called his brother [Robert] on the phone. He wanted to go out for some beers.
query: ('Robert', 'Maria')
clean_story: [Paul] and his son [Robert] went to the skating rink. [Paul] found his daughter, [Maria], drunk and alone on the bathroom floor.
proof_state: [{('Robert', 'sister', 'Maria'): [('Robert', 'father', 'Paul'), ('Paul', 'daughter', 'Maria')]}]