[Charles] was trying to get the attention of his father [Wesley]. [Wesley] was busy paying attention to his other son [Chris], unfortunately. [Charles]'s sister, [Pamela], bought movie tickets at a discount rate.
('Chris', 'Pamela')
[Charles] was trying to get the attention of his father [Wesley]. [Wesley] was busy paying attention to his other son [Chris], unfortunately. [Charles]'s sister, [Pamela], bought movie tickets at a discount rate.
[{('Chris', 'sister', 'Pamela'): [('Chris', 'father', 'Wesley'), ('Wesley', 'daughter', 'Pamela')]}, {('Wesley', 'daughter', 'Pamela'): [('Wesley', 'son', 'Charles'), ('Charles', 'sister', 'Pamela')]}]
['father', 'son', 'sister']