[Don] and his brother [Clarence] went to the football game together. [Felicia] and her brother [Clarence] are both adopted from the same family. [James] loves picking out new toys for his grandson [Don].
('James', 'Felicia')
[James] loves picking out new toys for his grandson [Don]. [Don] and his brother [Clarence] went to the football game together. [Felicia] and her brother [Clarence] are both adopted from the same family.
[{('James', 'granddaughter', 'Felicia'): [('James', 'grandson', 'Don'), ('Don', 'sister', 'Felicia')]}, {('Don', 'sister', 'Felicia'): [('Don', 'brother', 'Clarence'), ('Clarence', 'sister', 'Felicia')]}]
['grandson', 'brother', 'sister']