story: [Lisa]'s son called [David] is good and intelligent boy [David] bought his wife [Deborah] roses.
query: ('Lisa', 'Deborah')
clean_story: [Lisa]'s son called [David] is good and intelligent boy [David] bought his wife [Deborah] roses.
proof_state: [{('Lisa', 'daughter-in-law', 'Deborah'): [('Lisa', 'son', 'David'), ('David', 'wife', 'Deborah')]}]