[Robert] and his wife, [Marie], took [Robert]'s daughter [Angelica] to the park for a nice day in the sun. [Allan]'s wife [Lizzie] is going to be the next CEO of the company. [Allan] and her sister [Angelica] decided to take a trip to Mexico together.
('Marie', 'Lizzie')
[Robert] and his wife, [Marie], took [Robert]'s daughter [Angelica] to the park for a nice day in the sun. [Allan] and her sister [Angelica] decided to take a trip to Mexico together. [Allan]'s wife [Lizzie] is going to be the next CEO of the company.
[{('Marie', 'daughter-in-law', 'Lizzie'): [('Marie', 'son', 'Allan'), ('Allan', 'wife', 'Lizzie')]}, {('Marie', 'son', 'Allan'): [('Marie', 'daughter', 'Angelica'), ('Angelica', 'brother', 'Allan')]}, {('Marie', 'daughter', 'Angelica'): [('Marie', 'husband', 'Robert'), ('Robert', 'daughter', 'Angelica')]}]
['husband', 'daughter', 'brother', 'wife']