[George] and his daughter, [April] go to concerts every week. [Amy] went to the arcade with her niece, [April]. They had lots of fun playing together.
('George', 'Amy')
[George] and his daughter, [April] go to concerts every week. [Amy] went to the arcade with her niece, [April]. They had lots of fun playing together.
[{('George', 'sister', 'Amy'): [('George', 'daughter', 'April'), ('April', 'aunt', 'Amy')]}]
['daughter', 'aunt']