story: [Lewis] took his brother [Scott] to Las Vegas to go gambling. [David] is happy that his brother, [Lewis], is becoming successful.
query: ('David', 'Scott')
clean_story: [David] is happy that his brother, [Lewis], is becoming successful. [Lewis] took his brother [Scott] to Las Vegas to go gambling.
proof_state: [{('David', 'brother', 'Scott'): [('David', 'brother', 'Lewis'), ('Lewis', 'brother', 'Scott')]}]