[Cindy] and her sister [Lynn] are going to the movies. [Wayne] is staying home, but ca n't wait until his mother [Cindy] gets back. [Richard] likes to watch boxing with his brother. His name is [Wayne].
('Lynn', 'Richard')
[Cindy] and her sister [Lynn] are going to the movies. [Wayne] is staying home, but ca n't wait until his mother [Cindy] gets back. [Richard] likes to watch boxing with his brother. His name is [Wayne].
[{('Lynn', 'nephew', 'Richard'): [('Lynn', 'sister', 'Cindy'), ('Cindy', 'son', 'Richard')]}, {('Cindy', 'son', 'Richard'): [('Cindy', 'son', 'Wayne'), ('Wayne', 'brother', 'Richard')]}]
['sister', 'son', 'brother']