[George] is taking his daughter [April] out for lunch. [Amy] likes to make mini pies for her niece, [April].
('George', 'Amy')
[George] is taking his daughter [April] out for lunch. [Amy] likes to make mini pies for her niece, [April].
[{('George', 'sister', 'Amy'): [('George', 'daughter', 'April'), ('April', 'aunt', 'Amy')]}]
['daughter', 'aunt']