[Amy] sat anxiously in the airport terminal, waiting to see her son [Michael] walk through the gate. [Glen]'s mother, [Amy], just got her citizenship.
('Glen', 'Michael')
[Glen]'s mother, [Amy], just got her citizenship. [Amy] sat anxiously in the airport terminal, waiting to see her son [Michael] walk through the gate.
[{('Glen', 'brother', 'Michael'): [('Glen', 'mother', 'Amy'), ('Amy', 'son', 'Michael')]}]
['mother', 'son']