story: [Sandra] combed her grandson [Kenneth]'s hair. She wanted him to look good for his first day of school. [Alfred] and his wife [Lisbeth] are going to be at the play. [Lisbeth]'s son, [Willie], never got along with [Lisbeth]'s other son, [Kenneth].
query: ('Sandra', 'Willie')
clean_story: [Sandra] combed her grandson [Kenneth]'s hair. She wanted him to look good for his first day of school. [Lisbeth]'s son, [Willie], never got along with [Lisbeth]'s other son, [Kenneth].
proof_state: [{('Sandra', 'grandson', 'Willie'): [('Sandra', 'grandson', 'Kenneth'), ('Kenneth', 'brother', 'Willie')]}, {('Kenneth', 'brother', 'Willie'): [('Kenneth', 'mother', 'Lisbeth'), ('Lisbeth', 'son', 'Willie')]}]