[Jeff] love his brother [Jacob]. They are always playing together. [Ashley] loves her grandson [Jacob]. [Jacob] loves her, too.
('Ashley', 'Jeff')
[Ashley] loves her grandson [Jacob]. [Jacob] loves her, too. [Jeff] love his brother [Jacob]. They are always playing together.
[{('Ashley', 'grandson', 'Jeff'): [('Ashley', 'grandson', 'Jacob'), ('Jacob', 'brother', 'Jeff')]}]
['grandson', 'brother']