[Nicholas] took his son [Dennis] to school this morning because he missed the bus. [Nicholas] decided to give his son [Milton], for his birthday, the latest version of Apple watch.
('Milton', 'Dennis')
[Nicholas] decided to give his son [Milton], for his birthday, the latest version of Apple watch. [Nicholas] took his son [Dennis] to school this morning because he missed the bus.
[{('Milton', 'brother', 'Dennis'): [('Milton', 'father', 'Nicholas'), ('Nicholas', 'son', 'Dennis')]}]
['father', 'son']