story: [Carolina] and her daughter [Katherine] like to look at the stars on clear nights. [Carolina] often borrows the telescope that belongs to her brother, [William], so they can see the stars better. [Stephen] bought Christmas gifts for his brother [William] and his sister [Carolina]. [Katherine] takes good care of her grandmother, [Nettie].
clean_story: [Carolina] and her daughter [Katherine] like to look at the stars on clear nights. [Carolina] often borrows the telescope that belongs to her brother, [William], so they can see the stars better. [Katherine] takes good care of her grandmother, [Nettie].
proof_state: [{('William', 'mother', 'Nettie'): [('William', 'sister', 'Carolina'), ('Carolina', 'mother', 'Nettie')]}, {('Carolina', 'mother', 'Nettie'): [('Carolina', 'daughter', 'Katherine'), ('Katherine', 'grandmother', 'Nettie')]}]