[Nicholas] has a sister that picks on him. Her name is [Theresa]. [Nicholas] is taking his son [Michael] on a camping trip for the weekend.
('Michael', 'Theresa')
[Nicholas] is taking his son [Michael] on a camping trip for the weekend. [Nicholas] has a sister that picks on him. Her name is [Theresa].
[{('Michael', 'aunt', 'Theresa'): [('Michael', 'father', 'Nicholas'), ('Nicholas', 'sister', 'Theresa')]}]
['father', 'sister']