story: [Ronald] invited his mother, [Marie], and her father, [Harold], to Christmas dinner. [Harold]'s daughter, [Beverly], was going to be there, too. [Ronald] has a few children, [Robert], Bradley and Claire
query: ('Robert', 'Beverly')
clean_story: [Ronald] has a few children, [Robert], Bradley and Claire [Ronald] invited his mother, [Marie], and her father, [Harold], to Christmas dinner. [Harold]'s daughter, [Beverly], was going to be there, too.
proof_state: [{('Robert', 'sister', 'Beverly'): [('Robert', 'son', 'Ronald'), ('Ronald', 'aunt', 'Beverly')]}, {('Ronald', 'aunt', 'Beverly'): [('Ronald', 'mother', 'Marie'), ('Marie', 'sister', 'Beverly')]}, {('Marie', 'sister', 'Beverly'): [('Marie', 'father', 'Harold'), ('Harold', 'daughter', 'Beverly')]}]
edge_types: ['son', 'mother', 'father', 'daughter']