[James] and his sister [Charlotte] were hoping for a snow day. [Dale] is so proud of his son. [James] is the son's name.
('Dale', 'Charlotte')
[Dale] is so proud of his son. [James] is the son's name. [James] and his sister [Charlotte] were hoping for a snow day.
[{('Dale', 'daughter', 'Charlotte'): [('Dale', 'son', 'James'), ('James', 'sister', 'Charlotte')]}]
['son', 'sister']