[Ashley] took her daughter, [Theresa], out for pizza. [Nicolas], [Theresa]'s son, came too.
('Ashley', 'Nicolas')
[Ashley] took her daughter, [Theresa], out for pizza. [Nicolas], [Theresa]'s son, came too.
[{('Ashley', 'grandson', 'Nicolas'): [('Ashley', 'daughter', 'Theresa'), ('Theresa', 'son', 'Nicolas')]}]
['daughter', 'son']