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