[Lois] and her brother [Jacob] went to the diner to eat yummy food together. [Ernest] helped his brother, [Jacob], study for the chemistry exam.
('Ernest', 'Lois')
[Ernest] helped his brother, [Jacob], study for the chemistry exam. [Lois] and her brother [Jacob] went to the diner to eat yummy food together.
[{('Ernest', 'sister', 'Lois'): [('Ernest', 'brother', 'Jacob'), ('Jacob', 'sister', 'Lois')]}]