[Martha] was on the phone with her mother. While taking her son [Theodore] to football practice, [Lena] got a call from [Martha], her daughter. She asked if her and her brother [Chris] can have Chinese that night.
('Martha', 'Theodore')
[Martha] was on the phone with her mother. While taking her son [Theodore] to football practice, [Lena] got a call from [Martha], her daughter. She asked if her and her brother [Chris] can have Chinese that night.
[{('Martha', 'brother', 'Theodore'): [('Martha', 'brother', 'Chris'), ('Chris', 'brother', 'Theodore')]}, {('Chris', 'brother', 'Theodore'): [('Chris', 'mother', 'Lena'), ('Lena', 'son', 'Theodore')]}]
['brother', 'mother', 'son']