[Shantel] and her son, [Antonio] are very close. Unfortunately, [Antonio] and his daughter, [Erika] are not. [Tracy] liked to take her son [Kevin] and his sister [Erika] out to the park whenever she had the time.
('Tracy', 'Shantel')
[Tracy] liked to take her son [Kevin] and his sister [Erika] out to the park whenever she had the time. [Shantel] and her son, [Antonio] are very close. Unfortunately, [Antonio] and his daughter, [Erika] are not.
[{('Tracy', 'mother', 'Shantel'): [('Tracy', 'son', 'Kevin'), ('Kevin', 'grandmother', 'Shantel')]}, {('Kevin', 'grandmother', 'Shantel'): [('Kevin', 'sister', 'Erika'), ('Erika', 'grandmother', 'Shantel')]}, {('Erika', 'grandmother', 'Shantel'): [('Erika', 'father', 'Antonio'), ('Antonio', 'mother', 'Shantel')]}]
['son', 'sister', 'father', 'mother']