[Theresa] needed to go to the store. [Theresa] asked her sister [Nancy] for a ride. [Nancy] took her daughter [Louise] to see a movie on Friday. She let her pick the movie and she enjoyed it very much.
('Louise', 'Theresa')
[Nancy] took her daughter [Louise] to see a movie on Friday. She let her pick the movie and she enjoyed it very much. [Theresa] needed to go to the store. [Theresa] asked her sister [Nancy] for a ride.
[{('Louise', 'aunt', 'Theresa'): [('Louise', 'mother', 'Nancy'), ('Nancy', 'sister', 'Theresa')]}]
['mother', 'sister']