[Thomas] loves to make fun of his sister, [Gladys]. [Gladys] tells on [Thomas] to her grandfather, [Roy].
('Roy', 'Thomas')
[Thomas] loves to make fun of his sister, [Gladys]. [Gladys] tells on [Thomas] to her grandfather, [Roy].
[{('Roy', 'grandson', 'Thomas'): [('Roy', 'granddaughter', 'Gladys'), ('Gladys', 'brother', 'Thomas')]}]