[Lillian] and her daughter [April] went shopping together last Monday and they bought new shoes for [Lillian]'s kids. [Amy] and her sister [Lillian] braided each other's hair before school.
('April', 'Amy')
[Lillian] and her daughter [April] went shopping together last Monday and they bought new shoes for [Lillian]'s kids. [Amy] and her sister [Lillian] braided each other's hair before school.
[{('April', 'aunt', 'Amy'): [('April', 'mother', 'Lillian'), ('Lillian', 'sister', 'Amy')]}]
['mother', 'sister']