[Lois] is a woman with a sister named [Constance]. [Lois] is looking for a good gift for her sister [Stephanie].
('Constance', 'Stephanie')
[Lois] is a woman with a sister named [Constance]. [Lois] is looking for a good gift for her sister [Stephanie].
[{('Constance', 'sister', 'Stephanie'): [('Constance', 'sister', 'Lois'), ('Lois', 'sister', 'Stephanie')]}]