[James] asked his son [Hugh] to go fishing and then he called his daughter [David] and asked her if she wanted to come along with them. [Lynn] and her brother [Hugh] sat down together to clip coupons.
('David', 'Lynn')
[James] asked his son [Hugh] to go fishing and then he called his daughter [David] and asked her if she wanted to come along with them. [Lynn] and her brother [Hugh] sat down together to clip coupons.
[{('David', 'sister', 'Lynn'): [('David', 'father', 'James'), ('James', 'daughter', 'Lynn')]}, {('James', 'daughter', 'Lynn'): [('James', 'son', 'Hugh'), ('Hugh', 'sister', 'Lynn')]}]
['father', 'son', 'sister']