[Jerry] asked his father [George] if he could borrow some money. [Timothy] loves to play baseball with his dad, [George].
('Jerry', 'Timothy')
[Jerry] asked his father [George] if he could borrow some money. [Timothy] loves to play baseball with his dad, [George].
[{('Jerry', 'brother', 'Timothy'): [('Jerry', 'father', 'George'), ('George', 'son', 'Timothy')]}]
['father', 'son']