[George] is an engineer who loves to take his son [Timothy] to the science museum to help him learn about the world [George] is taking his son [Jerry] on a camping trip for the weekend.
('Jerry', 'Timothy')
[George] is taking his son [Jerry] on a camping trip for the weekend. [George] is an engineer who loves to take his son [Timothy] to the science museum to help him learn about the world
[{('Jerry', 'brother', 'Timothy'): [('Jerry', 'father', 'George'), ('George', 'son', 'Timothy')]}]
['father', 'son']