[Lynn] took her son [Don] shopping for new school clothes. They had a good time. [Felicia]'s sister, [Andrea], recently started acting. [Don] took his sister [Felicia] out to dinner for her birthday.
('Andrea', 'Lynn')
[Felicia]'s sister, [Andrea], recently started acting. [Don] took his sister [Felicia] out to dinner for her birthday. [Lynn] took her son [Don] shopping for new school clothes. They had a good time.
[{('Andrea', 'mother', 'Lynn'): [('Andrea', 'brother', 'Don'), ('Don', 'mother', 'Lynn')]}, {('Andrea', 'brother', 'Don'): [('Andrea', 'sister', 'Felicia'), ('Felicia', 'brother', 'Don')]}]
['sister', 'brother', 'mother']