[Ernest]'s sister, [Stephanie], participated in the dance contest. [Stephanie] went out for pizza with her father [Roy].
('Ernest', 'Roy')
[Ernest]'s sister, [Stephanie], participated in the dance contest. [Stephanie] went out for pizza with her father [Roy].
[{('Ernest', 'father', 'Roy'): [('Ernest', 'sister', 'Stephanie'), ('Stephanie', 'father', 'Roy')]}]