[Ashley] likes to cut the hair of her daughter [Nancy]. [Nancy]'s sister [Amy] went to beauty school and taught them all how to cut hair expertly.
('Ashley', 'Amy')
[Ashley] likes to cut the hair of her daughter [Nancy]. [Nancy]'s sister [Amy] went to beauty school and taught them all how to cut hair expertly.
[{('Ashley', 'daughter', 'Amy'): [('Ashley', 'daughter', 'Nancy'), ('Nancy', 'sister', 'Amy')]}]
['daughter', 'sister']