[Ashley]'s son, [Nicholas], was busy with school activities and forgot to meet his sister. [Nicholas] took his daughter [Emily] to the bookstore, and bought her some books from her favorite author.
('Ashley', 'Emily')
[Ashley]'s son, [Nicholas], was busy with school activities and forgot to meet his sister. [Nicholas] took his daughter [Emily] to the bookstore, and bought her some books from her favorite author.
[{('Ashley', 'granddaughter', 'Emily'): [('Ashley', 'son', 'Nicholas'), ('Nicholas', 'daughter', 'Emily')]}]
['son', 'daughter']