story: [Sandra] and her son [Matthew] went to her sister [Michelle] [Molly] and her daughter [Michelle] went out for ice cream. [Molly] got a cone and [Michelle] got a sundae.
query: ('Molly', 'Matthew')
clean_story: [Molly] and her daughter [Michelle] went out for ice cream. [Molly] got a cone and [Michelle] got a sundae. [Sandra] and her son [Matthew] went to her sister [Michelle]
proof_state: [{('Molly', 'grandson', 'Matthew'): [('Molly', 'daughter', 'Sandra'), ('Sandra', 'son', 'Matthew')]}, {('Molly', 'daughter', 'Sandra'): [('Molly', 'daughter', 'Michelle'), ('Michelle', 'sister', 'Sandra')]}]