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