[Amy] went fishing with her father [Clarence] and brother [Dale] last weekend. They caught a dozen sea bass.
('Clarence', 'Dale')
[Amy] went fishing with her father [Clarence] and brother [Dale] last weekend. They caught a dozen sea bass.
[{('Clarence', 'son', 'Dale'): [('Clarence', 'daughter', 'Amy'), ('Amy', 'brother', 'Dale')]}]
['daughter', 'brother']