[Stephanie] took her sister [Constance] and brother [Herman] with her to shop for her wedding dress.
('Constance', 'Herman')
[Stephanie] took her sister [Constance] and brother [Herman] with her to shop for her wedding dress.
[{('Constance', 'brother', 'Herman'): [('Constance', 'sister', 'Stephanie'), ('Stephanie', 'brother', 'Herman')]}]