[Timothy] loves his grandfather [Clarence], very much. [Clarence] loves him, too. [Jerry] always looked up to his brother [Timothy].
('Jerry', 'Clarence')
[Jerry] always looked up to his brother [Timothy]. [Timothy] loves his grandfather [Clarence], very much. [Clarence] loves him, too.
[{('Jerry', 'grandfather', 'Clarence'): [('Jerry', 'brother', 'Timothy'), ('Timothy', 'grandfather', 'Clarence')]}]
['brother', 'grandfather']