[Nicholas]'s sister [Nancy] asked him for some help planting her garden. [Ashley] and her daughter [Nancy] went out to dinner.
('Ashley', 'Nicholas')
[Ashley] and her daughter [Nancy] went out to dinner. [Nicholas]'s sister [Nancy] asked him for some help planting her garden.
[{('Ashley', 'son', 'Nicholas'): [('Ashley', 'daughter', 'Nancy'), ('Nancy', 'brother', 'Nicholas')]}]
['daughter', 'brother']