[Joshua] was delighted to watch his son [Don] steal third base in the Championship baseball game. [Andrea] asked her grandfather [James] how old he was. [James] smiled, and told her he was only eighty-five. [Don] has a sister that picks on him. Her name is [Andrea].
('Joshua', 'James')
[Joshua] was delighted to watch his son [Don] steal third base in the Championship baseball game. [Don] has a sister that picks on him. Her name is [Andrea]. [Andrea] asked her grandfather [James] how old he was. [James] smiled, and told her he was only eighty-five.
[{('Joshua', 'father', 'James'): [('Joshua', 'son', 'Don'), ('Don', 'grandfather', 'James')]}, {('Don', 'grandfather', 'James'): [('Don', 'sister', 'Andrea'), ('Andrea', 'grandfather', 'James')]}]
['son', 'sister', 'grandfather']