[Theodore] took his grandmother [Frances] to the dog track. [Theodore] played catch with his dad, [Wesley] [David]'s brother [Wesley] was going to be the star in the new show.
('David', 'Frances')
[David]'s brother [Wesley] was going to be the star in the new show. [Theodore] played catch with his dad, [Wesley] [Theodore] took his grandmother [Frances] to the dog track.
[{('David', 'mother', 'Frances'): [('David', 'brother', 'Wesley'), ('Wesley', 'mother', 'Frances')]}, {('Wesley', 'mother', 'Frances'): [('Wesley', 'son', 'Theodore'), ('Theodore', 'grandmother', 'Frances')]}]
['brother', 'son', 'grandmother']