[Glen] and his wife, [Natalia], were eating dinner. [Amy], [Natalia]'s mother, had prepared them a delicious meal.
('Glen', 'Amy')
[Glen] and his wife, [Natalia], were eating dinner. [Amy], [Natalia]'s mother, had prepared them a delicious meal.
[{('Glen', 'mother-in-law', 'Amy'): [('Glen', 'wife', 'Natalia'), ('Natalia', 'mother', 'Amy')]}]
['wife', 'mother']