[John] was so proud that his son [Brent] won the science fair! [Brent] was busy planning a 90th birthday party for his aunt, [Constance].
('John', 'Constance')
[John] was so proud that his son [Brent] won the science fair! [Brent] was busy planning a 90th birthday party for his aunt, [Constance].
[{('John', 'sister', 'Constance'): [('John', 'son', 'Brent'), ('Brent', 'aunt', 'Constance')]}]