[Nicolas] asked his father, [Dale], to take him to the movies. [Dale] was too busy, so [Dale]'s brother [George] offered to take the boy instead.
('Nicolas', 'George')
[Nicolas] asked his father, [Dale], to take him to the movies. [Dale] was too busy, so [Dale]'s brother [George] offered to take the boy instead.
[{('Nicolas', 'uncle', 'George'): [('Nicolas', 'father', 'Dale'), ('Dale', 'brother', 'George')]}]
['father', 'brother']