[Amy] and her son [Dennis] went to visit her mother [Ashley] on Sunday afternoon. They ate dinner and talked.
('Ashley', 'Dennis')
[Amy] and her son [Dennis] went to visit her mother [Ashley] on Sunday afternoon. They ate dinner and talked.
[{('Ashley', 'grandson', 'Dennis'): [('Ashley', 'daughter', 'Amy'), ('Amy', 'son', 'Dennis')]}]
['daughter', 'son']