[Dale]'s brother [George] missed the bus and was late for school so, [Dale]'s sister [Amy] decided to drop him off.
('George', 'Amy')
[Dale]'s brother [George] missed the bus and was late for school so, [Dale]'s sister [Amy] decided to drop him off.
[{('George', 'sister', 'Amy'): [('George', 'brother', 'Dale'), ('Dale', 'sister', 'Amy')]}]
['brother', 'sister']