[Timothy] was going to celebrate Christmas with his grandfather [Clarence]. [Timothy] and his sister [Janet] stood in line at the fair.
('Janet', 'Clarence')
[Timothy] and his sister [Janet] stood in line at the fair. [Timothy] was going to celebrate Christmas with his grandfather [Clarence].
[{('Janet', 'grandfather', 'Clarence'): [('Janet', 'brother', 'Timothy'), ('Timothy', 'grandfather', 'Clarence')]}]
['brother', 'grandfather']