[John] likes to take his daughter [Ann] fishing. [Ann] and her brother [Brent] were having a wonderful time at Disneyland.
('John', 'Brent')
[John] likes to take his daughter [Ann] fishing. [Ann] and her brother [Brent] were having a wonderful time at Disneyland.
[{('John', 'son', 'Brent'): [('John', 'daughter', 'Ann'), ('Ann', 'brother', 'Brent')]}]