story: [Stacy] asked his brother [Erik] to help him fix his car and he said he would after he got off work. [Lawrence] took his wife, [Michelle], and her brother, [Stacy] to the airport. They were visiting [Stacy]'s father, [Peter].
query: ('Lawrence', 'Peter')
clean_story: [Lawrence] took his wife, [Michelle], and her brother, [Stacy] to the airport. They were visiting [Stacy]'s father, [Peter].
proof_state: [{('Lawrence', 'father-in-law', 'Peter'): [('Lawrence', 'wife', 'Michelle'), ('Michelle', 'father', 'Peter')]}, {('Michelle', 'father', 'Peter'): [('Michelle', 'brother', 'Stacy'), ('Stacy', 'father', 'Peter')]}]