[Amy] was tired of cooking all the time so she invited over her daughter [Natalia] and her son [Milton] to cook dinner for her.
('Natalia', 'Milton')
[Amy] was tired of cooking all the time so she invited over her daughter [Natalia] and her son [Milton] to cook dinner for her.
[{('Natalia', 'brother', 'Milton'): [('Natalia', 'mother', 'Amy'), ('Amy', 'son', 'Milton')]}]
['mother', 'son']