[James] received a nice gift from his grandfather [Clarence]. [James] was so proud he showed it to his mother [Theresa].
('Theresa', 'Clarence')
[James] received a nice gift from his grandfather [Clarence]. [James] was so proud he showed it to his mother [Theresa].
[{('Theresa', 'father', 'Clarence'): [('Theresa', 'son', 'James'), ('James', 'grandfather', 'Clarence')]}]
['son', 'grandfather']