[Clarence] spends every weekend teaching his grandson, [Dennis] how to do different construction projects. [Jennifer] does n't like her brother [Dennis].
('Jennifer', 'Clarence')
[Jennifer] does n't like her brother [Dennis]. [Clarence] spends every weekend teaching his grandson, [Dennis] how to do different construction projects.
[{('Jennifer', 'grandfather', 'Clarence'): [('Jennifer', 'brother', 'Dennis'), ('Dennis', 'grandfather', 'Clarence')]}]
['brother', 'grandfather']