[Dale] went to the baseball game with his son [Nicolas] [Theresa] thought about how fortunate she was as she watched the sunset on the beach with her husband [Dale].
('Theresa', 'Nicolas')
[Theresa] thought about how fortunate she was as she watched the sunset on the beach with her husband [Dale]. [Dale] went to the baseball game with his son [Nicolas]
[{('Theresa', 'son', 'Nicolas'): [('Theresa', 'husband', 'Dale'), ('Dale', 'son', 'Nicolas')]}]
['husband', 'son']