[Clarence]'s grandson [Dennis] wants a new sled for Christmas. [Dennis] and her sister [Jennifer] decided to take a trip to Mexico together.
('Jennifer', 'Clarence')
[Dennis] and her sister [Jennifer] decided to take a trip to Mexico together. [Clarence]'s grandson [Dennis] wants a new sled for Christmas.
[{('Jennifer', 'grandfather', 'Clarence'): [('Jennifer', 'brother', 'Dennis'), ('Dennis', 'grandfather', 'Clarence')]}]
['brother', 'grandfather']