[Lillian] and [Dale] had a picnic at the park. They had sandwiches and salad. [Lillian] had a heart-to-heart conversation with her daughter [Janet] about some things.
('Dale', 'Janet')
[Lillian] and [Dale] had a picnic at the park. They had sandwiches and salad. [Lillian] had a heart-to-heart conversation with her daughter [Janet] about some things.
[{('Dale', 'niece', 'Janet'): [('Dale', 'sister', 'Lillian'), ('Lillian', 'daughter', 'Janet')]}]
['sister', 'daughter']