[Andrea] called her father [George] on the phone, but he was on the other line with his son [Jerry]. He told [Andrea] he'd call her back in a few minutes.
('Andrea', 'Jerry')
[Andrea] called her father [George] on the phone, but he was on the other line with his son [Jerry]. He told [Andrea] he'd call her back in a few minutes.
[{('Andrea', 'brother', 'Jerry'): [('Andrea', 'father', 'George'), ('George', 'son', 'Jerry')]}]
['father', 'son']