[Lena] and her sister [Cindy] are the only children in their family. [Joshua] often goes out for lunch with his sister, [Cindy]. [Frances]'s biggest accomplishment is raising her son [Joshua].
('Frances', 'Lena')
[Frances]'s biggest accomplishment is raising her son [Joshua]. [Joshua] often goes out for lunch with his sister, [Cindy]. [Lena] and her sister [Cindy] are the only children in their family.
[{('Frances', 'daughter', 'Lena'): [('Frances', 'daughter', 'Cindy'), ('Cindy', 'sister', 'Lena')]}, {('Frances', 'daughter', 'Cindy'): [('Frances', 'son', 'Joshua'), ('Joshua', 'sister', 'Cindy')]}]
['son', 'sister', 'sister']