[Amy]'s father [Clarence] is taking her to a movie because she got good grades. [Amy] took her son [Glen] to the park for the afternoon.
('Clarence', 'Glen')
[Amy]'s father [Clarence] is taking her to a movie because she got good grades. [Amy] took her son [Glen] to the park for the afternoon.
[{('Clarence', 'grandson', 'Glen'): [('Clarence', 'daughter', 'Amy'), ('Amy', 'son', 'Glen')]}]
['daughter', 'son']