[Jerry] could n't wait to introduce his new son to his uncle, [Dale]. [Lillian] loves cooking for her son. His name is [Jerry].
('Lillian', 'Dale')
[Lillian] loves cooking for her son. His name is [Jerry]. [Jerry] could n't wait to introduce his new son to his uncle, [Dale].
[{('Lillian', 'brother', 'Dale'): [('Lillian', 'son', 'Jerry'), ('Jerry', 'uncle', 'Dale')]}]
['son', 'uncle']