[Hugh] is picking up his niece [Martha] from school today because her parents are both working. [Lena] likes to cut the hair of her daughter [Pamela]. [Pamela]'s sister [Martha] went to beauty school and taught them all how to cut hair expertly.
('Lena', 'Hugh')
[Lena] likes to cut the hair of her daughter [Pamela]. [Pamela]'s sister [Martha] went to beauty school and taught them all how to cut hair expertly. [Hugh] is picking up his niece [Martha] from school today because her parents are both working.
[{('Lena', 'brother', 'Hugh'): [('Lena', 'daughter', 'Martha'), ('Martha', 'uncle', 'Hugh')]}, {('Lena', 'daughter', 'Martha'): [('Lena', 'daughter', 'Pamela'), ('Pamela', 'sister', 'Martha')]}]
['daughter', 'sister', 'uncle']