[James]'s wife [Frances] is going to be the next CEO of the company. [David] sat anxiously in the airport terminal, waiting to see her son [Michael] walk through the gate. [David] and her mother [Frances] attended a play at the theater.
('James', 'Michael')
[James]'s wife [Frances] is going to be the next CEO of the company. [David] and her mother [Frances] attended a play at the theater. [David] sat anxiously in the airport terminal, waiting to see her son [Michael] walk through the gate.
[{('James', 'grandson', 'Michael'): [('James', 'daughter', 'David'), ('David', 'son', 'Michael')]}, {('James', 'daughter', 'David'): [('James', 'wife', 'Frances'), ('Frances', 'daughter', 'David')]}]
['wife', 'daughter', 'son']