[Lorraine] picked her sister, [Heidi], up from the mall. [Heidi] called her dad, [Wayne], when she got home to let him know where she was.
('Wayne', 'Lorraine')
[Lorraine] picked her sister, [Heidi], up from the mall. [Heidi] called her dad, [Wayne], when she got home to let him know where she was.
[{('Wayne', 'daughter', 'Lorraine'): [('Wayne', 'daughter', 'Heidi'), ('Heidi', 'sister', 'Lorraine')]}]
['daughter', 'sister']