[Nicholas] who is [Michael]'s father grounded [Michael] after finding out what [Michael] had done at school. [Amy] was cooking dinner for her husband [Nicholas].
('Amy', 'Michael')
[Amy] was cooking dinner for her husband [Nicholas]. [Nicholas] who is [Michael]'s father grounded [Michael] after finding out what [Michael] had done at school.
[{('Amy', 'son', 'Michael'): [('Amy', 'husband', 'Nicholas'), ('Nicholas', 'son', 'Michael')]}]
['husband', 'son']