[Lillian] had a heart-to-heart conversation with her daughter [Andrea] about some things. [Ann] called her mother [Lillian] to let her know she will be back home soon.
('Ann', 'Andrea')
[Ann] called her mother [Lillian] to let her know she will be back home soon. [Lillian] had a heart-to-heart conversation with her daughter [Andrea] about some things.
[{('Ann', 'sister', 'Andrea'): [('Ann', 'mother', 'Lillian'), ('Lillian', 'daughter', 'Andrea')]}]
['mother', 'daughter']