[Nancy] took her daughter [Lorraine] to see a movie on Friday. She let her pick the movie and she enjoyed it very much. [Nancy] and her daughter [Heidi] are entering the competition together.
('Lorraine', 'Heidi')
[Nancy] took her daughter [Lorraine] to see a movie on Friday. She let her pick the movie and she enjoyed it very much. [Nancy] and her daughter [Heidi] are entering the competition together.
[{('Lorraine', 'sister', 'Heidi'): [('Lorraine', 'mother', 'Nancy'), ('Nancy', 'daughter', 'Heidi')]}]
['mother', 'daughter']