story: [Mark]'s wife [Connie] and brother [Sidney] had a nice dinner with [Sidney]'s father [Elliott].
query: ('Connie', 'Elliott')
clean_story: [Mark]'s wife [Connie] and brother [Sidney] had a nice dinner with [Sidney]'s father [Elliott].
proof_state: [{('Connie', 'father-in-law', 'Elliott'): [('Connie', 'husband', 'Mark'), ('Mark', 'father', 'Elliott')]}, {('Mark', 'father', 'Elliott'): [('Mark', 'brother', 'Sidney'), ('Sidney', 'father', 'Elliott')]}]