[Jacob] and his son [Wayne] are playing a father-son game of basketball. [Jeff] is waiting to go to dinner with his dad [Wayne].
('Jeff', 'Jacob')
[Jacob] and his son [Wayne] are playing a father-son game of basketball. [Jeff] is waiting to go to dinner with his dad [Wayne].
[{('Jeff', 'brother', 'Jacob'): [('Jeff', 'father', 'Wayne'), ('Wayne', 'son', 'Jacob')]}]
['father', 'son']