story: [Jason] likes playing catch with his sister [Anna], but his brother [Richard] never wants to play. [Anna] loves painting with her father. His name is [Mark]. [Anna] took her mother, [Carol], out for lunch.
query: ('Mark', 'Richard')
clean_story: [Anna] loves painting with her father. His name is [Mark]. [Jason] likes playing catch with his sister [Anna], but his brother [Richard] never wants to play.
proof_state: [{('Mark', 'son', 'Richard'): [('Mark', 'son', 'Jason'), ('Jason', 'brother', 'Richard')]}, {('Mark', 'son', 'Jason'): [('Mark', 'daughter', 'Anna'), ('Anna', 'brother', 'Jason')]}]