[Joshua] was picking up his son, [Don], from a soccer game when he received a call from his sister, [Lena]. [Cindy] and her sister [Lena] played golf together. [Cindy] won easily.
('Don', 'Cindy')
[Joshua] was picking up his son, [Don], from a soccer game when he received a call from his sister, [Lena]. [Cindy] and her sister [Lena] played golf together. [Cindy] won easily.
[{('Don', 'aunt', 'Cindy'): [('Don', 'father', 'Joshua'), ('Joshua', 'sister', 'Cindy')]}, {('Joshua', 'sister', 'Cindy'): [('Joshua', 'sister', 'Lena'), ('Lena', 'sister', 'Cindy')]}]
['father', 'sister', 'sister']