[Wesley] asks his son [Charles] to get his grandmother [Frances] a glass of water [Wesley] and his son [Theodore] went to the park to look for different kinds of birds.
('Theodore', 'Frances')
[Wesley] and his son [Theodore] went to the park to look for different kinds of birds. [Wesley] asks his son [Charles] to get his grandmother [Frances] a glass of water
[{('Theodore', 'grandmother', 'Frances'): [('Theodore', 'brother', 'Charles'), ('Charles', 'grandmother', 'Frances')]}, {('Theodore', 'brother', 'Charles'): [('Theodore', 'father', 'Wesley'), ('Wesley', 'son', 'Charles')]}]
['father', 'son', 'grandmother']