[Martha] read her son [Brent] a bedtime story every night. [Jacob] and his uncle [Brent] love to go hunting together.
('Martha', 'Jacob')
[Martha] read her son [Brent] a bedtime story every night. [Jacob] and his uncle [Brent] love to go hunting together.
[{('Martha', 'brother', 'Jacob'): [('Martha', 'son', 'Brent'), ('Brent', 'uncle', 'Jacob')]}]