story: [Paul] and his brother [Preston] both played soccer. [Paul] was faster, but [Preston] had a better shot, so they complemented each other well. [Preston] was proud of his son, [Jaime]. [Preston]'s son, [Brian], had been misbehaving, so [Preston] had to spank him.
query: ('Paul', 'Brian')
clean_story: [Paul] and his brother [Preston] both played soccer. [Paul] was faster, but [Preston] had a better shot, so they complemented each other well. [Preston]'s son, [Brian], had been misbehaving, so [Preston] had to spank him.
proof_state: [{('Paul', 'nephew', 'Brian'): [('Paul', 'brother', 'Preston'), ('Preston', 'son', 'Brian')]}]