[Lillian] and her son, [Timothy], decorated mugs at the craft fair together. [Timothy]'s grandfather is [Clarence].
('Lillian', 'Clarence')
[Lillian] and her son, [Timothy], decorated mugs at the craft fair together. [Timothy]'s grandfather is [Clarence].
[{('Lillian', 'father', 'Clarence'): [('Lillian', 'son', 'Timothy'), ('Timothy', 'grandfather', 'Clarence')]}]
['son', 'grandfather']