[Dennis] loves to cook for his lovely wife. Her name is [Emily]. [Nicholas] 'son [Dennis] could not believe that his father bought him a coffee machine for his birthday.
('Nicholas', 'Emily')
[Nicholas] 'son [Dennis] could not believe that his father bought him a coffee machine for his birthday. [Dennis] loves to cook for his lovely wife. Her name is [Emily].
[{('Nicholas', 'daughter-in-law', 'Emily'): [('Nicholas', 'son', 'Dennis'), ('Dennis', 'wife', 'Emily')]}]
['son', 'wife']