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