[Ernest] was n't sure if he actually wanted to visit his sister [Martha]. After he thought about it, he decided to visit his brother [Jacob] instead.
('Jacob', 'Martha')
[Ernest] was n't sure if he actually wanted to visit his sister [Martha]. After he thought about it, he decided to visit his brother [Jacob] instead.
[{('Jacob', 'sister', 'Martha'): [('Jacob', 'brother', 'Ernest'), ('Ernest', 'sister', 'Martha')]}]