[Nancy] has been waiting around all day for her son, [Jacob]. [Nicholas] likes playing catch with his sister's son. His name is [Jacob].
('Nancy', 'Nicholas')
[Nancy] has been waiting around all day for her son, [Jacob]. [Nicholas] likes playing catch with his sister's son. His name is [Jacob].
[{('Nancy', 'brother', 'Nicholas'): [('Nancy', 'son', 'Jacob'), ('Jacob', 'uncle', 'Nicholas')]}]
['son', 'uncle']