[Regina] and her sister [Geraldine] are excited for [Geraldine]'s grandfather [Roy] to make dinner for them.
('Regina', 'Roy')
[Regina] and her sister [Geraldine] are excited for [Geraldine]'s grandfather [Roy] to make dinner for them.
[{('Regina', 'grandfather', 'Roy'): [('Regina', 'sister', 'Geraldine'), ('Geraldine', 'grandfather', 'Roy')]}]