[Jerry] took his wife [Janet] to the new restaurant for dinner last Saturday. [George] was proud of his son, [Jerry].
('George', 'Janet')
[George] was proud of his son, [Jerry]. [Jerry] took his wife [Janet] to the new restaurant for dinner last Saturday.
[{('George', 'daughter-in-law', 'Janet'): [('George', 'son', 'Jerry'), ('Jerry', 'wife', 'Janet')]}]
['son', 'wife']