[Nicholas] visited his daughter, [Emily], for Christmas this year. [Dennis] enjoys the company of his wife, [Emily], in the evenings.
('Dennis', 'Nicholas')
[Dennis] enjoys the company of his wife, [Emily], in the evenings. [Nicholas] visited his daughter, [Emily], for Christmas this year.
[{('Dennis', 'father-in-law', 'Nicholas'): [('Dennis', 'wife', 'Emily'), ('Emily', 'father', 'Nicholas')]}]
['wife', 'father']