[Wayne] and his brother [Nicholas] had a fight. They did n't speak to each other for a whole week afterwards. [Jacob] asked his son, [Wayne], to help paint his house.
('Nicholas', 'Jacob')
[Wayne] and his brother [Nicholas] had a fight. They did n't speak to each other for a whole week afterwards. [Jacob] asked his son, [Wayne], to help paint his house.
[{('Nicholas', 'nephew', 'Jacob'): [('Nicholas', 'brother', 'Wayne'), ('Wayne', 'son', 'Jacob')]}]
['brother', 'son']