[Michael] and his dad [Nicholas] went to the mall to buy a birthday present for [Amy]. It was also a Mother's Day gift.
('Amy', 'Michael')
[Michael] and his dad [Nicholas] went to the mall to buy a birthday present for [Amy]. It was also a Mother's Day gift.
[{('Amy', 'son', 'Michael'): [('Amy', 'husband', 'Nicholas'), ('Nicholas', 'son', 'Michael')]}]
['husband', 'son']