story: [Adam] liked to play peek a boo with his granddaughter [Rebbeca]. [Michelle] asked her husband, [Adam], what he was doing. [Adam] told her he was writing a letter to his grandson, [John].
query: ('Michelle', 'John')
clean_story: [Michelle] asked her husband, [Adam], what he was doing. [Adam] told her he was writing a letter to his grandson, [John].
proof_state: [{('Michelle', 'grandson', 'John'): [('Michelle', 'husband', 'Adam'), ('Adam', 'grandson', 'John')]}]