[George] is so proud of his son. [John] is the son's name. [John] is so excited that he gets to visit his aunt [Nancy] this summer.
('George', 'Nancy')
[George] is so proud of his son. [John] is the son's name. [John] is so excited that he gets to visit his aunt [Nancy] this summer.
[{('George', 'sister', 'Nancy'): [('George', 'son', 'John'), ('John', 'aunt', 'Nancy')]}]
['son', 'aunt']