[George] bought his daughter, [April], flowers. [Clarence] 'son [George] could not believe that his father bought him a coffee machine for his birthday.
('Clarence', 'April')
[Clarence] 'son [George] could not believe that his father bought him a coffee machine for his birthday. [George] bought his daughter, [April], flowers.
[{('Clarence', 'granddaughter', 'April'): [('Clarence', 'son', 'George'), ('George', 'daughter', 'April')]}]
['son', 'daughter']