story: [Edward] is a factory worker. He has a wonderful sister by the name of [Kerri]. [Geraldine] was cooking dinner for her husband [Edward]. [Edward] and his father [Preston] played video games all day last Saturday.
query: ('Geraldine', 'Preston')
clean_story: [Geraldine] was cooking dinner for her husband [Edward]. [Edward] and his father [Preston] played video games all day last Saturday.
proof_state: [{('Geraldine', 'father-in-law', 'Preston'): [('Geraldine', 'husband', 'Edward'), ('Edward', 'father', 'Preston')]}]