[Pete] went to his grandmother [Frances]'s house for the summer. He had a wonderful time there. [Cindy] treasures her son, [Wayne]. She recently attended his high school graduation and it was the proudest day of her life. [Pete]'s brother, [Wayne], recently got elected as a senator.
('Cindy', 'Frances')
[Cindy] treasures her son, [Wayne]. She recently attended his high school graduation and it was the proudest day of her life. [Pete]'s brother, [Wayne], recently got elected as a senator. [Pete] went to his grandmother [Frances]'s house for the summer. He had a wonderful time there.
[{('Cindy', 'mother', 'Frances'): [('Cindy', 'son', 'Pete'), ('Pete', 'grandmother', 'Frances')]}, {('Cindy', 'son', 'Pete'): [('Cindy', 'son', 'Wayne'), ('Wayne', 'brother', 'Pete')]}]
['son', 'brother', 'grandmother']