[Theresa] sat anxiously in the airport terminal, waiting to see her son [Tony] walk through the gate. [Nicolas] was so excited to give his mother, [Theresa], a really nice card for Mother's Day. He loves her very much.
('Nicolas', 'Tony')
[Nicolas] was so excited to give his mother, [Theresa], a really nice card for Mother's Day. He loves her very much. [Theresa] sat anxiously in the airport terminal, waiting to see her son [Tony] walk through the gate.
[{('Nicolas', 'brother', 'Tony'): [('Nicolas', 'mother', 'Theresa'), ('Theresa', 'son', 'Tony')]}]
['mother', 'son']