story: [Nancy] kissed her husband [Paul]. He had made her the happiest woman in the world. [Paul] does not know he has a son named [Leo]. [Jess] asked his father, [Paul] to help him build a birdhouse.
query: ('Nancy', 'Leo')
clean_story: [Nancy] kissed her husband [Paul]. He had made her the happiest woman in the world. [Paul] does not know he has a son named [Leo].
proof_state: [{('Nancy', 'son', 'Leo'): [('Nancy', 'husband', 'Paul'), ('Paul', 'son', 'Leo')]}]