[Jerry] and his father [George] went jogging by the lake. [Jerry] wanted to play at the park so his mother got her sister, [Nancy], to take him.
('George', 'Nancy')
[Jerry] and his father [George] went jogging by the lake. [Jerry] wanted to play at the park so his mother got her sister, [Nancy], to take him.
[{('George', 'sister', 'Nancy'): [('George', 'son', 'Jerry'), ('Jerry', 'aunt', 'Nancy')]}]
['son', 'aunt']