[Nancy]'s son, [Kevin], recently started a pawn shop. [Kevin] and his sister [Louise] got their mother [Louise] a new computer for her birthday. She really liked it.
('Nancy', 'Louise')
[Nancy]'s son, [Kevin], recently started a pawn shop. [Kevin] and his sister [Louise] got their mother [Louise] a new computer for her birthday. She really liked it.
[{('Nancy', 'daughter', 'Louise'): [('Nancy', 'son', 'Kevin'), ('Kevin', 'sister', 'Louise')]}]
['son', 'sister']