[Wesley] takes his son [Irvin] to the movie theater. [Frances], [Irvin]'s grandmother, waits for the two at home. [Lynn] went on a vacation with her brother [Wesley].
('Lynn', 'Frances')
[Lynn] went on a vacation with her brother [Wesley]. [Wesley] takes his son [Irvin] to the movie theater. [Frances], [Irvin]'s grandmother, waits for the two at home.
[{('Lynn', 'mother', 'Frances'): [('Lynn', 'brother', 'Wesley'), ('Wesley', 'mother', 'Frances')]}, {('Wesley', 'mother', 'Frances'): [('Wesley', 'son', 'Irvin'), ('Irvin', 'grandmother', 'Frances')]}]
['brother', 'son', 'grandmother']