[Frances] wrote a nice letter to her grandson [Thomas]. [Lynn] is very proud of her son. His name is [Thomas]. [Lynn] treasures her son, [Don]. She recently attended his high school graduation and it was the proudest day of her life.
('Frances', 'Don')
[Frances] wrote a nice letter to her grandson [Thomas]. [Lynn] is very proud of her son. His name is [Thomas]. [Lynn] treasures her son, [Don]. She recently attended his high school graduation and it was the proudest day of her life.
[{('Frances', 'grandson', 'Don'): [('Frances', 'grandson', 'Thomas'), ('Thomas', 'brother', 'Don')]}, {('Thomas', 'brother', 'Don'): [('Thomas', 'mother', 'Lynn'), ('Lynn', 'son', 'Don')]}]
['grandson', 'mother', 'son']