[Dale]'s father, [Clarence], decided to buy a boat. However, [Dale]'s daughter, [June], felt it was a bad investment of retirement funds.
('Clarence', 'June')
[Dale]'s father, [Clarence], decided to buy a boat. However, [Dale]'s daughter, [June], felt it was a bad investment of retirement funds.
[{('Clarence', 'granddaughter', 'June'): [('Clarence', 'son', 'Dale'), ('Dale', 'daughter', 'June')]}]
['son', 'daughter']