[Lena] sat anxiously in the airport terminal, waiting to see her son [Theodore] walk through the gate. [Francisco] likes to take his niece, [Tina], for walks by the beach. [Theodore] was having an argument with her sister, [Tina].
('Lena', 'Francisco')
[Lena] sat anxiously in the airport terminal, waiting to see her son [Theodore] walk through the gate. [Theodore] was having an argument with her sister, [Tina]. [Francisco] likes to take his niece, [Tina], for walks by the beach.
[{('Lena', 'brother', 'Francisco'): [('Lena', 'daughter', 'Tina'), ('Tina', 'uncle', 'Francisco')]}, {('Lena', 'daughter', 'Tina'): [('Lena', 'son', 'Theodore'), ('Theodore', 'sister', 'Tina')]}]
['son', 'sister', 'uncle']