[Nicholas]'s sister, [Theresa], was crying, so he told her a joke. She laughed, and felt better. [Nicholas] is taking his son [Dennis] on a camping trip for the weekend.
('Dennis', 'Theresa')
[Nicholas] is taking his son [Dennis] on a camping trip for the weekend. [Nicholas]'s sister, [Theresa], was crying, so he told her a joke. She laughed, and felt better.
[{('Dennis', 'aunt', 'Theresa'): [('Dennis', 'father', 'Nicholas'), ('Nicholas', 'sister', 'Theresa')]}]
['father', 'sister']