[Joshua] and his sister [Lena] stood in line at the fair. [Wilhelmina] and her mother [Cindy] attended a play at the theater. [Wilhelmina] ca n't wait to see her favorite aunt [Lena].
('Cindy', 'Joshua')
[Wilhelmina] and her mother [Cindy] attended a play at the theater. [Wilhelmina] ca n't wait to see her favorite aunt [Lena]. [Joshua] and his sister [Lena] stood in line at the fair.
[{('Cindy', 'brother', 'Joshua'): [('Cindy', 'sister', 'Lena'), ('Lena', 'brother', 'Joshua')]}, {('Cindy', 'sister', 'Lena'): [('Cindy', 'daughter', 'Wilhelmina'), ('Wilhelmina', 'aunt', 'Lena')]}]
['daughter', 'aunt', 'brother']