[Brent] wanted to buy a great gift for his mom, [Martha], so he asked her brother, [Ernest], for advice.
('Ernest', 'Brent')
[Brent] wanted to buy a great gift for his mom, [Martha], so he asked her brother, [Ernest], for advice.
[{('Ernest', 'nephew', 'Brent'): [('Ernest', 'sister', 'Martha'), ('Martha', 'son', 'Brent')]}]