[Ashley] likes taking her son [Dale] to school. [Dale] loved teaching his son, [James], baseball.
('Ashley', 'James')
[Ashley] likes taking her son [Dale] to school. [Dale] loved teaching his son, [James], baseball.
[{('Ashley', 'grandson', 'James'): [('Ashley', 'son', 'Dale'), ('Dale', 'son', 'James')]}]
['son', 'son']