[Amy] and her son [Glen] went to the zoo and then out to dinner yesterday. [Natalia] and her husband [Glen] just had their 10th anniversary.
('Amy', 'Natalia')
[Amy] and her son [Glen] went to the zoo and then out to dinner yesterday. [Natalia] and her husband [Glen] just had their 10th anniversary.
[{('Amy', 'daughter-in-law', 'Natalia'): [('Amy', 'son', 'Glen'), ('Glen', 'wife', 'Natalia')]}]
['son', 'wife']