[Wayne] asked his daughter [Heidi] for a ride to the Airport. [Heidi] did n't want to go alone so she asked her sister [Lorraine] to go with her.
('Lorraine', 'Wayne')
[Wayne] asked his daughter [Heidi] for a ride to the Airport. [Heidi] did n't want to go alone so she asked her sister [Lorraine] to go with her.
[{('Lorraine', 'father', 'Wayne'): [('Lorraine', 'sister', 'Heidi'), ('Heidi', 'father', 'Wayne')]}]
['sister', 'father']