[Nancy], [Jacob] mother, likes to take him to eat ice cream on Sundays. [Nancy] was playing in the sandbox with her brother [Dale].
('Jacob', 'Dale')
[Nancy], [Jacob] mother, likes to take him to eat ice cream on Sundays. [Nancy] was playing in the sandbox with her brother [Dale].
[{('Jacob', 'uncle', 'Dale'): [('Jacob', 'mother', 'Nancy'), ('Nancy', 'brother', 'Dale')]}]
['mother', 'brother']