[Jennifer] met her dad, [Nicholas], for the first time when he returned from deployment. [Nicholas] was so proud that his son [Dennis] won the science fair!
('Jennifer', 'Dennis')
[Jennifer] met her dad, [Nicholas], for the first time when he returned from deployment. [Nicholas] was so proud that his son [Dennis] won the science fair!
[{('Jennifer', 'brother', 'Dennis'): [('Jennifer', 'father', 'Nicholas'), ('Nicholas', 'son', 'Dennis')]}]
['father', 'son']