[Lillian] and her sister [Amy] were at the library studying. [Andrea], [Lillian]'s daughter, started laughing, and [Andrea] told her to be quiet.
('Amy', 'Andrea')
[Lillian] and her sister [Amy] were at the library studying. [Andrea], [Lillian]'s daughter, started laughing, and [Andrea] told her to be quiet.
[{('Amy', 'niece', 'Andrea'): [('Amy', 'sister', 'Lillian'), ('Lillian', 'daughter', 'Andrea')]}]
['sister', 'daughter']