[Lynn] needed to go to the store. [Lynn] asked her sister [Lena] for a ride. [Cindy] took her daughter [Carrie] to school during the cold winter morning. [Cindy] was talking about food with her sister [Lena].
('Carrie', 'Lynn')
[Cindy] took her daughter [Carrie] to school during the cold winter morning. [Cindy] was talking about food with her sister [Lena]. [Lynn] needed to go to the store. [Lynn] asked her sister [Lena] for a ride.
[{('Carrie', 'aunt', 'Lynn'): [('Carrie', 'mother', 'Cindy'), ('Cindy', 'sister', 'Lynn')]}, {('Cindy', 'sister', 'Lynn'): [('Cindy', 'sister', 'Lena'), ('Lena', 'sister', 'Lynn')]}]
['mother', 'sister', 'sister']