[Shantel] picked up her son [Robert] from the mall [Tracy] and her mother [Shantel] were trying to decide what to buy her son [Aaron] for Christmas. [Robert] and his father [Harold] went to the golf course in town on Saturday and had a great time.
('Harold', 'Aaron')
[Robert] and his father [Harold] went to the golf course in town on Saturday and had a great time. [Shantel] picked up her son [Robert] from the mall [Tracy] and her mother [Shantel] were trying to decide what to buy her son [Aaron] for Christmas.
[{('Harold', 'grandson', 'Aaron'): [('Harold', 'daughter', 'Tracy'), ('Tracy', 'son', 'Aaron')]}, {('Harold', 'daughter', 'Tracy'): [('Harold', 'son', 'Robert'), ('Robert', 'sister', 'Tracy')]}, {('Robert', 'sister', 'Tracy'): [('Robert', 'mother', 'Shantel'), ('Shantel', 'daughter', 'Tracy')]}]
['son', 'mother', 'daughter', 'son']