story: [David] id [Lisa]'s only child. They have a really strong bond. They spend a lot of their free time together. [Lisa] has a son named [Scott].
query: ('David', 'Scott')
clean_story: [David] id [Lisa]'s only child. They have a really strong bond. They spend a lot of their free time together. [Lisa] has a son named [Scott].
proof_state: [{('David', 'brother', 'Scott'): [('David', 'mother', 'Lisa'), ('Lisa', 'son', 'Scott')]}]