[David] gave her brother [Joshua] a new sweater for Christmas. [Lena] told her dad [James] about how much fun she had with her sister [David] at the park.
('James', 'Joshua')
[Lena] told her dad [James] about how much fun she had with her sister [David] at the park. [David] gave her brother [Joshua] a new sweater for Christmas.
[{('James', 'son', 'Joshua'): [('James', 'daughter', 'David'), ('David', 'brother', 'Joshua')]}, {('James', 'daughter', 'David'): [('James', 'daughter', 'Lena'), ('Lena', 'sister', 'David')]}]
['daughter', 'sister', 'brother']