[April] was looking at her mother [Lillian] very closely. She was confused because [Lillian] was sitting next to her twin sister [Amy].
('Amy', 'April')
[April] was looking at her mother [Lillian] very closely. She was confused because [Lillian] was sitting next to her twin sister [Amy].
[{('Amy', 'niece', 'April'): [('Amy', 'sister', 'Lillian'), ('Lillian', 'daughter', 'April')]}]
['sister', 'daughter']