[Emily] is looking for a good gift for her sister [Natalia]. [Emily] and her mother [Amy] went to volunteer at the homeless shelter last weekend.
('Amy', 'Natalia')
[Emily] and her mother [Amy] went to volunteer at the homeless shelter last weekend. [Emily] is looking for a good gift for her sister [Natalia].
[{('Amy', 'daughter', 'Natalia'): [('Amy', 'daughter', 'Emily'), ('Emily', 'sister', 'Natalia')]}]
['daughter', 'sister']