[George] is an engineer who loves to take his son [Jerry] to the science museum to help him learn about the world [Ashley] has been waiting around all day for her son, [George].
('Ashley', 'Jerry')
[Ashley] has been waiting around all day for her son, [George]. [George] is an engineer who loves to take his son [Jerry] to the science museum to help him learn about the world
[{('Ashley', 'grandson', 'Jerry'): [('Ashley', 'son', 'George'), ('George', 'son', 'Jerry')]}]
['son', 'son']