[Nicholas] and his sister [Lillian] stood in line at the fair. [Lillian] took her daughter [Andrea] to see a movie on Friday. She let her pick the movie and she enjoyed it very much.
('Andrea', 'Nicholas')
[Lillian] took her daughter [Andrea] to see a movie on Friday. She let her pick the movie and she enjoyed it very much. [Nicholas] and his sister [Lillian] stood in line at the fair.
[{('Andrea', 'uncle', 'Nicholas'): [('Andrea', 'mother', 'Lillian'), ('Lillian', 'brother', 'Nicholas')]}]
['mother', 'brother']