[George] asked his son [John] to go fishing and then he called his daughter [Janet] and asked her if she wanted to come along with them.
('Janet', 'John')
[George] asked his son [John] to go fishing and then he called his daughter [Janet] and asked her if she wanted to come along with them.
[{('Janet', 'brother', 'John'): [('Janet', 'father', 'George'), ('George', 'son', 'John')]}]
['father', 'son']