[Amy] took her son [Michael] to the park in the afternoon. [Michael] spent the day looking forward to having dinner with his wife [Jennifer].
('Amy', 'Jennifer')
[Amy] took her son [Michael] to the park in the afternoon. [Michael] spent the day looking forward to having dinner with his wife [Jennifer].
[{('Amy', 'daughter-in-law', 'Jennifer'): [('Amy', 'son', 'Michael'), ('Michael', 'wife', 'Jennifer')]}]
['son', 'wife']