story: [Molly] sent her grandson [Anthony] a birthday card. [Stanley] hugged his wife, [Molly]. [Anthony] and his sister [Beverly] are going for a walk.
query: ('Stanley', 'Beverly')
clean_story: [Molly] sent her grandson [Anthony] a birthday card. [Stanley] hugged his wife, [Molly]. [Anthony] and his sister [Beverly] are going for a walk.
proof_state: [{('Stanley', 'granddaughter', 'Beverly'): [('Stanley', 'wife', 'Molly'), ('Molly', 'granddaughter', 'Beverly')]}, {('Molly', 'granddaughter', 'Beverly'): [('Molly', 'grandson', 'Anthony'), ('Anthony', 'sister', 'Beverly')]}]