story: [Emmanuel] called his aunt, [Sandra], and asked if she would be coming over tonight. [Sandra] said yes, and told [Emmanuel] she was bringing a surprise. [Alan] watched his son [Jason] play catch. [Jason] tossed the ball back and fourth with his brother [Emmanuel].
query: ('Alan', 'Sandra')
clean_story: [Alan] watched his son [Jason] play catch. [Jason] tossed the ball back and fourth with his brother [Emmanuel]. [Emmanuel] called his aunt, [Sandra], and asked if she would be coming over tonight. [Sandra] said yes, and told [Emmanuel] she was bringing a surprise.
proof_state: [{('Alan', 'sister', 'Sandra'): [('Alan', 'son', 'Emmanuel'), ('Emmanuel', 'aunt', 'Sandra')]}, {('Alan', 'son', 'Emmanuel'): [('Alan', 'son', 'Jason'), ('Jason', 'brother', 'Emmanuel')]}]