[Michael] spent the entire day playing chess with his grandfather [Roy]. [Carl] and his brother [Michael] wanted to backpack across Europe together once they graduated college.
('Carl', 'Roy')
[Carl] and his brother [Michael] wanted to backpack across Europe together once they graduated college. [Michael] spent the entire day playing chess with his grandfather [Roy].
[{('Carl', 'grandfather', 'Roy'): [('Carl', 'brother', 'Michael'), ('Michael', 'grandfather', 'Roy')]}]